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37 Cool Science Experiments for Kids to Do at Home

General Education

Are you looking for cool science experiments for kids at home or for class? We've got you covered! We've compiled a list of 37 of the best science experiments for kids that cover areas of science ranging from outer space to dinosaurs to chemical reactions. By doing these easy science experiments, kids will make their own blubber and see how polar bears stay warm, make a rain cloud in a jar to observe how weather changes, create a potato battery that'll really power a lightbulb, and more.

Below are 37 of the best science projects for kids to try. For each one we include a description of the experiment, which area(s) of science it teaches kids about, how difficult it is (easy/medium/hard), how messy it is (low/medium/high), and the materials you need to do the project. Note that experiments labelled "hard" are definitely still doable; they just require more materials or time than most of these other science experiments for kids.

#1: Insect Hotels

• Teaches Kids About: Zoology
• Difficulty Level: Medium
• Messiness Level: Medium

Insect hotels can be as simple (just a few sticks wrapped in a bundle) or as elaborate as you'd like, and they're a great way for kids to get creative making the hotel and then get rewarded by seeing who has moved into the home they built. After creating a hotel with hiding places for bugs, place it outside (near a garden is often a good spot), wait a few days, then check it to see who has occupied the "rooms." You can also use a bug ID book or app to try and identify the visitors.

• Materials Needed
• Shadow box or other box with multiple compartments
• Hot glue gun with glue
• Sticks, bark, small rocks, dried leaves, bits of yarn/wool, etc.

#2: DIY Lava Lamp

• Teaches Kids About: Chemical reactions
• Difficulty Level: Easy

In this quick and fun science experiment, kids will mix water, oil, food coloring, and antacid tablets to create their own (temporary) lava lamp . Oil and water don't mix easily, and the antacid tablets will cause the oil to form little globules that are dyed by the food coloring. Just add the ingredients together and you'll end up with a homemade lava lamp!

• Vegetable oil
• Food coloring
• Antacid tablets

#3: Magnetic Slime

• Teaches Kids About: Magnets
• Messiness Level: High (The slime is black and will slightly dye your fingers when you play with it, but it washes off easily.)

A step up from silly putty and Play-Doh, magnetic slime is fun to play with but also teaches kids about magnets and how they attract and repel each other. Some of the ingredients you aren't likely to have around the house, but they can all be purchased online. After mixing the ingredients together, you can use the neodymium magnet (regular magnets won't be strong enough) to make the magnetic slime move without touching it!

• Liquid starch
• Adhesive glue
• Iron oxide powder
• Neodymium (rare earth) magnet

#4: Baking Soda Volcanoes

• Teaches Kids About: Chemical reactions, earth science
• Difficulty Level: Easy-medium
• Messiness Level: High

Baking soda volcanoes are one of the classic science projects for kids, and they're also one of the most popular. It's hard to top the excitement of a volcano erupting inside your home. This experiment can also be as simple or in-depth as you like. For the eruption, all you need is baking soda and vinegar (dishwashing detergent adds some extra power to the eruption), but you can make the "volcano" as elaborate and lifelike as you wish.

• Baking soda
• Dishwashing detergent
• Large mason jar or soda bottle
• Playdough or aluminum foil to make the "volcano"
• Additional items to place around the volcano (optional)
• Food coloring (optional)

#5: Tornado in a Jar

• Teaches Kids About: Weather
• Messiness Level: Low

This is one of the quick and easy and science experiments for kids to teach them about weather. It only takes about five minutes and a few materials to set up, but once you have it ready you and your kids can create your own miniature tornado whose vortex you can see and the strength of which you can change depending on how quickly you swirl the jar.

• Glitter (optional)

#6: Colored Celery Experiment

• Teaches Kids About: Plants

This celery science experiment is another classic science experiment that parents and teachers like because it's easy to do and gives kids a great visual understanding of how transpiration works and how plants get water and nutrients. Just place celery stalks in cups of colored water, wait at least a day, and you'll see the celery leaves take on the color of the water. This happens because celery stalks (like other plants) contain small capillaries that they use to transport water and nutrients throughout the plant.

• Celery stalks (can also use white flowers or pale-colored cabbage)

#7: Rain Cloud in a Jar

This experiment teaches kids about weather and lets them learn how clouds form by making their own rain cloud . This is definitely a science project that requires adult supervision since it uses boiling water as one of the ingredients, but once you pour the water into a glass jar, the experiment is fast and easy, and you'll be rewarded with a little cloud forming in the jar due to condensation.

• Glass jar with a lid
• Boiling water
• Aerosol hairspray

#8: Edible Rock Candy

• Teaches Kids About: Crystal formation

It takes about a week for the crystals of this rock candy experiment to form, but once they have you'll be able to eat the results! After creating a sugar solution, you'll fill jars with it and dangle strings in them that'll slowly become covered with the crystals. This experiment involves heating and pouring boiling water, so adult supervision is necessary, once that step is complete, even very young kids will be excited to watch crystals slowly form.

• Large saucepan
• Clothespins
• String or small skewers
• Candy flavoring (optional)

#9: Water Xylophone

• Teaches Kids About: Sound waves

With just some basic materials you can create your own musical instrument to teach kids about sound waves. In this water xylophone experiment , you'll fill glass jars with varying levels of water. Once they're all lined up, kids can hit the sides with wooden sticks and see how the itch differs depending on how much water is in the jar (more water=lower pitch, less water=higher pitch). This is because sound waves travel differently depending on how full the jars are with water.

• Wooden sticks/skewers

#10: Blood Model in a Jar

• Teaches Kids About: Human biology

This blood model experiment is a great way to get kids to visual what their blood looks like and how complicated it really is. Each ingredient represents a different component of blood (plasma, platelets, red blood cells, etc.), so you just add a certain amount of each to the jar, swirl it around a bit, and you have a model of what your blood looks like.

• Empty jar or bottle
• Red cinnamon candies
• Marshmallows or dry white lima beans
• White sprinkles

#11: Potato Battery

• Teaches Kids About: Electricity
• Difficulty Level: Hard

Did you know that a simple potato can produce enough energy to keep a light bulb lit for over a month? You can create a simple potato battery to show kids. There are kits that provide all the necessary materials and how to set it up, but if you don't purchase one of these it can be a bit trickier to gather everything you need and assemble it correctly. Once it's set though, you'll have your own farm grown battery!

• Fresh potato
• Galvanized nail
• Copper coin

#12: Homemade Pulley

• Teaches Kids About: Simple machines

This science activity requires some materials you may not already have, but once you've gotten them, the homemade pulley takes only a few minutes to set up, and you can leave the pulley up for your kids to play with all year round. This pulley is best set up outside, but can also be done indoors.

• Clothesline
• 2 clothesline pulleys

#13: Light Refraction

• Teaches Kids About: Light

This light refraction experiment takes only a few minutes to set up and uses basic materials, but it's a great way to show kids how light travels. You'll draw two arrows on a sticky note, stick it to the wall, then fill a clear water bottle with water. As you move the water bottle in front of the arrows, the arrows will appear to change the direction they're pointing. This is because of the refraction that occurs when light passes through materials like water and plastic.

• Sticky note
• Transparent water bottle

#14: Nature Journaling

• Teaches Kids About: Ecology, scientific observation

A nature journal is a great way to encourage kids to be creative and really pay attention to what's going on around them. All you need is a blank journal (you can buy one or make your own) along with something to write with. Then just go outside and encourage your children to write or draw what they notice. This could include descriptions of animals they see, tracings of leaves, a drawing of a beautiful flower, etc. Encourage your kids to ask questions about what they observe (Why do birds need to build nests? Why is this flower so brightly colored?) and explain to them that scientists collect research by doing exactly what they're doing now.

• Blank journal or notebook
• Pens/pencils/crayons/markers
• Tape or glue for adding items to the journal

#15: DIY Solar Oven

• Teaches Kids About: Solar energy

This homemade solar oven definitely requires some adult help to set up, but after it's ready you'll have your own mini oven that uses energy from the sun to make s'mores or melt cheese on pizza. While the food is cooking, you can explain to kids how the oven uses the sun's rays to heat the food.

• Aluminum foil
• Knife or box cutter
• Permanent marker
• Plastic cling wrap
• Black construction paper

#16: Animal Blubber Simulation

• Teaches Kids About: Ecology, zoology

If your kids are curious about how animals like polar bears and seals stay warm in polar climates, you can go beyond just explaining it to them; you can actually have them make some of their own blubber and test it out. After you've filled up a large bowl with ice water and let it sit for a few minutes to get really cold, have your kids dip a bare hand in and see how many seconds they can last before their hand gets too cold. Next, coat one of their fingers in shortening and repeat the experiment. Your child will notice that, with the shortening acting like a protective layer of blubber, they don't feel the cold water nearly as much.

• Bowl of ice water

#17: Static Electricity Butterfly

This experiment is a great way for young kids to learn about static electricity, and it's more fun and visual than just having them rub balloons against their heads. First you'll create a butterfly, using thick paper (such as cardstock) for the body and tissue paper for the wings. Then, blow up the balloon, have the kids rub it against their head for a few seconds, then move the balloon to just above the butterfly's wings. The wings will move towards the balloon due to static electricity, and it'll look like the butterfly is flying.

• Tissue paper
• Thick paper
• Glue stick/glue

#18: Edible Double Helix

• Teaches Kids About: Genetics

If your kids are learning about genetics, you can do this edible double helix craft to show them how DNA is formed, what its different parts are, and what it looks like. The licorice will form the sides or backbone of the DNA and each color of marshmallow will represent one of the four chemical bases. Kids will be able to see that only certain chemical bases pair with each other.

• 2 pieces of licorice
• 12 toothpicks
• Small marshmallows in 4 colors (9 of each color)
• 5 paperclips

#19: Leak-Proof Bag

• Teaches Kids About: Molecules, plastics

This is an easy experiment that'll appeal to kids of a variety of ages. Just take a zip-lock bag, fill it about ⅔ of the way with water, and close the top. Next, poke a few sharp objects (like bamboo skewers or sharp pencils) through one end and out the other. At this point you may want to dangle the bag above your child's head, but no need to worry about spills because the bag won't leak? Why not? It's because the plastic used to make zip-lock bags is made of polymers, or long chains of molecules that'll quickly join back together when they're forced apart.

• Zip-lock bags
• Objects with sharp ends (pencils, bamboo skewers, etc.)

#20: How Do Leaves Breathe?

• Teaches Kids About: Plant science

It takes a few hours to see the results of this leaf experiment , but it couldn't be easier to set up, and kids will love to see a leaf actually "breathing." Just get a large-ish leaf, place it in a bowl (glass works best so you can see everything) filled with water, place a small rock on the leaf to weigh it down, and leave it somewhere sunny. Come back in a few hours and you'll see little bubbles in the water created when the leaf releases the oxygen it created during photosynthesis.

• Large bowl (preferably glass)
• Magnifying glass (optional)

#21: Popsicle Stick Catapults

Kids will love shooting pom poms out of these homemade popsicle stick catapults . After assembling the catapults out of popsicle sticks, rubber bands, and plastic spoons, they're ready to launch pom poms or other lightweight objects. To teach kids about simple machines, you can ask them about how they think the catapults work, what they should do to make the pom poms go a farther/shorter distance, and how the catapult could be made more powerful.

• Popsicle sticks
• Rubber bands
• Plastic spoons
• Paint (optional)

#22: Elephant Toothpaste

You won't want to do this experiment near anything that's difficult to clean (outside may be best), but kids will love seeing this " elephant toothpaste " crazily overflowing the bottle and oozing everywhere. Pour the hydrogen peroxide, food coloring, and dishwashing soap into the bottle, and in the cup mix the yeast packet with some warm water for about 30 seconds. Then, add the yeast mixture to the bottle, stand back, and watch the solution become a massive foamy mixture that pours out of the bottle! The "toothpaste" is formed when the yeast removed the oxygen bubbles from the hydrogen peroxide which created foam. This is an exothermic reaction, and it creates heat as well as foam (you can have kids notice that the bottle became warm as the reaction occurred).

• Clean 16-oz soda bottle
• 6% solution of hydrogen peroxide
• 1 packet of dry yeast
• Dishwashing soap

#23: How Do Penguins Stay Dry?

Penguins, and many other birds, have special oil-producing glands that coat their feathers with a protective layer that causes water to slide right off them, keeping them warm and dry. You can demonstrate this to kids with this penguin craft by having them color a picture of a penguin with crayons, then spraying the picture with water. The wax from the crayons will have created a protective layer like the oil actual birds coat themselves with, and the paper won't absorb the water.

• Penguin image (included in link)
• Spray bottle
• Blue food coloring (optional)

#24: Rock Weathering Experiment

• Teaches Kids About: Geology

This mechanical weathering experiment teaches kids why and how rocks break down or erode. Take two pieces of clay, form them into balls, and wrap them in plastic wrap. Then, leave one out while placing the other in the freezer overnight. The next day, unwrap and compare them. You can repeat freezing the one piece of clay every night for several days to see how much more cracked and weathered it gets than the piece of clay that wasn't frozen. It may even begin to crumble. This weathering also happens to rocks when they are subjected to extreme temperatures, and it's one of the causes of erosion.

• Plastic wrap

#25: Saltwater Density

• Teaches Kids About: Water density

For this saltwater density experiment , you'll fill four clear glasses with water, then add salt to one glass, sugar to one glass, and baking soda to one glass, leaving one glass with just water. Then, float small plastic pieces or grapes in each of the glasses and observe whether they float or not. Saltwater is denser than freshwater, which means some objects may float in saltwater that would sink in freshwater. You can use this experiment to teach kids about the ocean and other bodies of saltwater, such as the Dead Sea, which is so salty people can easily float on top of it.

• Four clear glasses
• Lightweight plastic objects or small grapes

#26: Starburst Rock Cycle

With just a package of Starbursts and a few other materials, you can create models of each of the three rock types: igneous, sedimentary, and metamorphic. Sedimentary "rocks" will be created by pressing thin layers of Starbursts together, metamorphic by heating and pressing Starbursts, and igneous by applying high levels of heat to the Starbursts. Kids will learn how different types of rocks are forms and how the three rock types look different from each other.

• Toaster oven

#27: Inertia Wagon Experiment

• Teaches Kids About: Inertia

This simple experiment teaches kids about inertia (as well as the importance of seatbelts!). Take a small wagon, fill it with a tall stack of books, then have one of your children pull it around then stop abruptly. They won't be able to suddenly stop the wagon without the stack of books falling. You can have the kids predict which direction they think the books will fall and explain that this happens because of inertia, or Newton's first law.

• Stack of books

#28: Dinosaur Tracks

• Teaches Kids About: Paleontology

How are some dinosaur tracks still visible millions of years later? By mixing together several ingredients, you'll get a claylike mixture you can press your hands/feet or dinosaur models into to make dinosaur track imprints . The mixture will harden and the imprints will remain, showing kids how dinosaur (and early human) tracks can stay in rock for such a long period of time.

• Used coffee grounds
• Wooden spoon
• Rolling pin

#29: Sidewalk Constellations

• Teaches Kids About: Astronomy

If you do this sidewalk constellation craft , you'll be able to see the Big Dipper and Orion's Belt in the daylight. On the sidewalk, have kids draw the lines of constellations (using constellation diagrams for guidance) and place stones where the stars are. You can then look at astronomy charts to see where the constellations they drew will be in the sky.

• Sidewalk chalk
• Small stones
• Diagrams of constellations

#30: Lung Model

By building a lung model , you can teach kids about respiration and how their lungs work. After cutting off the bottom of a plastic bottle, you'll stretch a balloon around the opened end and insert another balloon through the mouth of the bottle. You'll then push a straw through the neck of the bottle and secure it with a rubber band and play dough. By blowing into the straw, the balloons will inflate then deflate, similar to how our lungs work.

• Plastic bottle
• Rubber band

#31: Homemade Dinosaur Bones

By mixing just flour, salt, and water, you'll create a basic salt dough that'll harden when baked. You can use this dough to make homemade dinosaur bones and teach kids about paleontology. You can use books or diagrams to learn how different dinosaur bones were shaped, and you can even bury the bones in a sandpit or something similar and then excavate them the way real paleontologists do.

• Images of dinosaur bones

#32: Clay and Toothpick Molecules

There are many variations on homemade molecule science crafts . This one uses clay and toothpicks, although gumdrops or even small pieces of fruit like grapes can be used in place of clay. Roll the clay into balls and use molecule diagrams to attach the clay to toothpicks in the shape of the molecules. Kids can make numerous types of molecules and learn how atoms bond together to form molecules.

• Clay or gumdrops (in four colors)
• Diagrams of molecules

#33: Articulated Hand Model

By creating an articulated hand model , you can teach kids about bones, joints, and how our hands are able to move in many ways and accomplish so many different tasks. After creating a hand out of thin foam, kids will cut straws to represent the different bones in the hand and glue them to the fingers of the hand models. You'll then thread yarn (which represents tendons) through the straws, stabilize the model with a chopstick or other small stick, and end up with a hand model that moves and bends the way actual human hands do.

• Straws (paper work best)
• Twine or yarn

#34: Solar Energy Experiment

• Teaches Kids About: Solar energy, light rays

This solar energy science experiment will teach kids about solar energy and how different colors absorb different amounts of energy. In a sunny spot outside, place six colored pieces of paper next to each other, and place an ice cube in the middle of each paper. Then, observe how quickly each of the ice cubes melt. The ice cube on the black piece of paper will melt fastest since black absorbs the most light (all the light ray colors), while the ice cube on the white paper will melt slowest since white absorbs the least light (it instead reflects light). You can then explain why certain colors look the way they do. (Colors besides black and white absorb all light except for the one ray color they reflect; this is the color they appear to us.)

• 6 squares of differently colored paper/cardstock (must include black paper and white paper)

#35: How to Make Lightning

• Teaches Kids About: Electricity, weather

You don't need a storm to see lightning; you can actually create your own lightning at home . For younger kids this experiment requires adult help and supervision. You'll stick a thumbtack through the bottom of an aluminum tray, then stick the pencil eraser to the pushpin. You'll then rub the piece of wool over the aluminum tray, and then set the tray on the Styrofoam, where it'll create a small spark/tiny bolt of lightning!

• Pencil with eraser
• Aluminum tray or pie tin
• Styrofoam tray

#36: Tie-Dyed Milk

• Teaches Kids About: Surface tension

For this magic milk experiment , partly fill a shallow dish with milk, then add a one drop of each food coloring color to different parts of the milk. The food coloring will mostly stay where you placed it. Next, carefully add one drop of dish soap to the middle of the milk. It'll cause the food coloring to stream through the milk and away from the dish soap. This is because the dish soap breaks up the surface tension of the milk by dissolving the milk's fat molecules.

• Shallow dish
• Milk (high-fat works best)

#37: How Do Stalactites Form?

Have you ever gone into a cave and seen huge stalactites hanging from the top of the cave? Stalactites are formed by dripping water. The water is filled with particles which slowly accumulate and harden over the years, forming stalactites. You can recreate that process with this stalactite experiment . By mixing a baking soda solution, dipping a piece of wool yarn in the jar and running it to another jar, you'll be able to observe baking soda particles forming and hardening along the yarn, similar to how stalactites grow.

• Safety pins
• 2 glass jars

Summary: Cool Science Experiments for Kids

Any one of these simple science experiments for kids can get children learning and excited about science. You can choose a science experiment based on your child's specific interest or what they're currently learning about, or you can do an experiment on an entirely new topic to expand their learning and teach them about a new area of science. From easy science experiments for kids to the more challenging ones, these will all help kids have fun and learn more about science.

What's Next?

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Christine graduated from Michigan State University with degrees in Environmental Biology and Geography and received her Master's from Duke University. In high school she scored in the 99th percentile on the SAT and was named a National Merit Finalist. She has taught English and biology in several countries.

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Science Experiments

35 Easy Science Experiments You Can Do Today!

Looking for easy science experiments to do at home or in the classroom? You’re in luck because we’ve got over 35 easy science activities for kids that will help you make science fun for all ages. 

Most of these simple science experiments for kids are easy to prepare, quick to perform, and use household items or inexpensive materials you can find almost anywhere. To connect the fun to the “why it works” you’ll find an easy to teach explanation with every experiment!

Musical Jars Science Experiment 

This super easy experiment is simple as it is fun! Kids make their own musical instruments with clear jars and water then investigate sound waves, pitch, and more.

When the experiment is complete, use the colorful new “instrument” for a fun music lesson. Kids can play and take turns to “name that tune”!

Detailed Instructions & Video Tutorial ->  Musical Jars Science Experiment

Viscosity of Liquids Science Experiment

Viscosity may be a confusing term for kids at first, but this super easy experiment can help them see viscosity in action!

With marbles, clear jars, and a few household materials, kids will make predictions, record data, and compare the results while they test high and low density liquids.

Detailed Instructions & Video Tutorial ->   Viscosity Science Experiment

Floating Egg Science Experiment

Can a solid egg float? Kids can find the answer and understand why with this quick science experiment. 

Discover just how easy it can be to make a raw egg float while testing the laws of density. We’ve included additional ideas to try so kids can make predictions and test the concept further.

Detailed Instructions & Video Tutorial ->   Floating Egg Science Experiment

Paper Towel Dry Under Water Experiment

Is it possible to keep a paper towel dry even when submerging it under water? The answer is a surprising “yes,” if you use science to help!

Start with the properties of your materials, make a prediction, then explore matter, density, volume, and more.

Detailed Instructions & Video Tutorial ->   Paper Towel Dry Under Water Experiment

Mixing Oil & Water Science Experiment

This simple experiment for kids helps them better understand density and the changes that happen when adding an emulsifier to the mix. 

Detailed Instructions & Video Tutorial ->   Mixing Oil & Water Experiment

Will it Float or Sink Science Experiment

Will it sink or will it float? This fun experiment challenges what students think they know about household items!

Students record their hypothesis for each item then test it to compare what they think will happen against their observations.

Detailed Instructions & Video Tutorial -> Float or Sink Science Experiment

Water Temperature Science Experiment

What does thermal energy look like? In this easy science experiment, kids are able to see thermal energy as they explore the concept in action.

With clear jars and food coloring, students can quickly see how molecules move differently through hot and cold water.

Detailed Instructions & Video Tutorial -> Water Temperature Science Experiment

Balloon Blow-up Science Experiment

Kids will discover how matter reacts when heated and cooled as they watch with surprise as baking soda and vinegar blow the balloon up before their eyes.

Detailed Instructions & Video Tutorial -> Balloon Blow-up Science Experiment

Floating Ping Pong Ball Science Experiment

Kids will giggle with joy with this super easy experiment. With only a ping pong ball and a hair dryer, students will have a great time while exploring Bernoulli’s Principle in action. 

We’ve included additional ideas to further explore the concept with different objects and observe the change in results.

Detailed Instructions & Video Tutorial -> Floating Ping Pong Ball Science Experiment

Hair Stand on End Science Experiment

It’s especially fun for those who’ve never seen static electricity in action before!

Detailed Instructions & Video Tutorial -> Hair Stand on End Science Experiment

Oil Bubbles in Water Science Experiment

Kids explore density and experience some chemistry when creating oil bubbles in water with everyday household items.

This experiment is particularly fun when kids see that they’ve made what looks like a lava lamp!

Detailed Instructions & Video Tutorial ->  Oil Bubbles in Water Science Experiment

Color Changing Water Science Experiment

Kids will be surprised as they watch a new color being “created” without mixing! Using only a clear bowl and glass, some food coloring, and water, this super easy science experiment is quick and easy with a huge wow factor. 

Try it with yellow and blue to follow along with our demonstration video then try different primary color combinations and explore the results.

Detailed Instructions & Video Tutorial ->  Color Changing Water Science Experiment

Magnetic Paper Clip Chain Science Experiment

It may seem a bit like magic but it’s actually science! It’s not hard to capture your kids’ attention with this quick and easy science experiment as they watch paper clips “stick” together and form a chain!

Perfect for younger children, the experiment only takes a few minutes and is a fun way to explore the concept of magnetic transference.

Detailed Instructions & Video Tutorial ->  Magnetic Paper Clip Chain Science Experiment

Is it Magnetic Science Experiment

With only a magnet and a few household items, kids will make and record their predictions, test and observe, then compare what they think is magnetic against the results.

Simple and quick, but some of the results may surprise your students!

Cloud in a Jar Experiment

This simple experiment only requires a few materials but really holds student attention as a cloud forms before their eyes!

Kids will learn new weather vocabulary as they explore how physical changes and reactions happen as clouds begin to take form. We’ve also included a helpful chart on the types of clouds.

Detailed Instructions & Video Tutorial ->  Cloud in a Jar Science Experiment

Magic Milk Science Experiment

Create a dancing rainbow of colors with this easy science experiment for kids!

Using only a few ordinary kitchen items, your students can create a color explosion in ordinary milk when they add our special ingredient. (Hint: The special ingredient (soap!) includes hydrophilic and hydrophobic molecules that make the magic happen!)

Detailed Instructions & Video Tutorial ->  Magic Milk Science Experiment

Walking Water Science Experiment

Water can’t really walk upwards against gravity, but this cool science experiment makes it seem like it can! 

Kids are able to see the capillary action process and learn how attraction and adhesive forces in action allow water to move out of one glass into another. 

Detailed Instructions & Video Tutorial -> Walking Water Science Experiment

Light Refraction Science Experiment

The results of this easy science experiment are so amazing, it makes kids (and adults) think it must be magic!

Young scientists watch in surprise while they see an arrow change directions instantly. Investigating refraction couldn’t be more fun!

Detailed Instructions & Video Tutorial -> Light Refraction Science Experiment

Dancing Raisins Experiment

Learn about the reactions of buoyancy and density in this simple science activity for kids. 

They may not need dancing shoes, but give them a glass of soda pop and the raisins in this fun experiment love to dance!

Detailed Instructions & Video Tutorial -> Dancing Raisins Science Experiment

See Sound Experiment

Kids love this experiment because they are encouraged to drum loudly so they can “see” sound waves in action!

Detailed Instructions & Video Tutorial -> See Sound Science Experiment

Elephant Toothpaste Science Experiment

Grab some giant brushes and get ready to make elephant toothpaste! Although you might not be able to get an elephant excited by this super easy experiment, kids love it!

The impressive and quick results created by the chemical reaction and the heat released in the process makes an abundant amount of fun and colorful foam!

Detailed Instructions & Video Tutorial -> Elephant Toothpaste Science Experiment

Upside Down Glass of Water Science Experiment

We all know what happens when we turn a glass of water upside down, but what if I told you you can do it without the water spilling out?

The experiment only requires a few common items and you’ll be amazed by the results of air pressure in action!

Detailed Instructions & Video Tutorial -> Upside Down Glass of Water Science Experiment

Pick up Ball with a Jar Science Experiment

It almost seems like magic but with the help of science, you can pick up a ball with an open jar!

Instead of magic, this easy science activity uses centripetal force and practice to do what seems like the impossible. 

Detailed Instructions & Video Tutorial -> Pick up Ball with a Jar Experiment

Will It Melt Science Experiment

Can you guess which items will melt? This easy outside experiment challenges what students think they know about the effects of the sun.

Pepper Move Science Experiment

Can you make pepper move and zoom away with just a light touch of your finger? With science you can!

This experiment only takes a few quick minutes from beginning to end, but the reaction caused by surface tension makes kids want to do it over and over. 

Detailed Instructions & Video Tutorial ->  Pepper Move Science Experiment

Crush a Plastic Bottle Science Experiment

Go for it, crush that bottle, but don’t touch it! Although it usually can’t be seen or touched, air pressure is pushing against all surfaces at all times.

With this easy science activity kids can see air pressure at work when they watch a bottle crushes itself!

Detailed Instructions & Video Tutorial -> Crush a Plastic Bottle Science Experiment

Egg in Vinegar Science Experiment

This vinegar science experiment will have your eggs and kids bouncing (with excitement!) before you know it!

Kids can watch and explore the results of chemical reactions as the egg changes from something that seems solid into what feels like something bouncy!

Detailed Instructions & Video Tutorial -> Egg in Vinegar Science Experiment

Straw Through a Potato Science Experiment

Can you make a normal plastic straw go into a raw, solid potato? It seems like something impossible, but science can easily make it possible!

Pick your potatoes then let kids try their strength as they explore air pressure with this super easy experiment.

Detailed Instructions & Video Tutorial -> Straw Through a Potato Science Experiment

Rainbow in a Jar Science Experiment

With only a few household items, they’ll explore mass, volume, and density with every color layer!

Detailed Instructions & Video Tutorial -> Rainbow in a Jar Experiment

Tornado in a Bottle Science Experiment

Kids can have fun while learning more about centripetal force with this fun experiment.

With a little muscle and science, kids watch with amazement as they create their own glitter cyclone in a bottle as the centripetal force vortex appears.

Detailed Instructions & Video Tutorial -> Tornado in a Bottle Science Experiment

Why Doesn’t the Water Leak Science Experiment

Can you poke holes in a plastic bag full of water without the water leaking out? With this super easy science activity you can!

Kids are stunned as they learn about polymers and how they can do what seems to be impossible.

Detailed Instructions & Video Tutorial -> Why Doesn’t the Water Leak Science Experiment

Use a Bottle to Blow-up a Balloon Experiment

Is it possible to blow up a balloon with only water and science? 

In this super easy experiment, kids learn more about how matter behaves as they watch a balloon inflate and deflate as a result of matter being heated and cooled.

Detailed Instructions & Video Tutorial -> Use a Bottle to Blow-up a Balloon Experiment

Orange Float Science Experiment

Kids explore buoyancy as they learn about and test density in this sink or float science activity.

While it only takes a few minutes, this super easy experiment invites kids to predict what they think will happen then discuss why the heavier orange floats!

Detailed Instructions & Video Tutorial -> Orange Float Science Experiment

Pick up Ice with String Science Experiment

With only a few household items, kids learn about freezing temperatures and the results they create in saltwater versus freshwater.

Detailed Instructions & Video Tutorial -> Pick Up Ice with String Science Experiment

Color Changing Walking Water Experiment

Using the concepts explored in our popular Walking Water Science Experiment, kids will see color walk from one glass to another and change colors as it goes!

The quick experiment seems to defy gravity like magic, but don’t worry, kids can find out how science makes it work!

Detailed Instructions & Video Tutorial -> Color Changing Walking Water Experiment

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21 Easy Science Experiments for Kids to Do at Home

Looking for fun and educational activities to keep your kids engaged at home? How about diving into the world of science with some exciting science experiments that are easy to set up and guaranteed to spark curiosity?

These simple science experiments use everyday household items and turn them into magical learning experiences that will amaze your little ones and teach them the wonders of the scientific world.

From walking rainbows to growing gummy bears, these hands-on activities are perfect for exploring basic scientific concepts in a fun and interactive way.

Whether your kids are interested in chemistry, physics, or biology, there’s something here to captivate their imaginations and keep them asking, “Why?” and “How?”

So, gather your supplies and get ready to embark on a journey of discovery right in your own kitchen or backyard.

Easy Science Experiments for Kids

Walking rainbow science experiment for kids.

Create a walking rainbow in this fun and easy science experiment for kids! This experiment teaches kids about capillary action, the process by which liquid moves through a material against gravity, illustrating how water travels through plants and other porous materials.

Rain Cloud in a Jar STEM Experiment for Kids

With this raincloud in a jar experiment, kids will learn about the science principle of precipitation, observing how clouds accumulate moisture until they become heavy enough to release rain.

Watch as the color seeps through the shaving cream and “rains” into the jar, demonstrating how real clouds release rain when they become saturated.

Magic Milk Science Experiment

Kids will love seeing chemistry in action with this fun magic milk science experiment! This is a great opportunity to learn about surface tension and the interaction of different kinds of molecules as you watch colors swirl and create beautiful patterns.

Bouncy Egg Experiment

Learn about chemical reactions with this bouncy egg experiment for kids. Your kids will be fascinated watching their egg’s structure change over the course of this experiment, leaving them with an egg that actually bounces!

Easy Paper Helicopter DIY STEM Activity

Kids will have a blast creating simple helicopters from paper and watching them twirl to the ground when dropped in this DIY STEM activity!

This hands-on activity teaches children about the forces of gravity, lift, and air resistance. By experimenting with different variables in their design, kids can also explore how these factors affect the way the helicopter flies, providing insights into the principles of flight and aerodynamics in a fun and interactive way.

Jell-O and Vinegar Experiment for Scented Science Fun

In this Jell-O and vinegar experiment, kids can learn about chemical reactions in a fun and visual way! Adding vinegar to the Jell-O and baking soda mixture will create a fizzy, colorful eruption that will leave kids wanting to do this experiment over and over again.

Growing Gummy Bears Experiment for Kids

In this easy experiment, kids place gummy bears in different solutions like water, saltwater, and vinegar to observe how they change in size. This experiment is a fun way to help children learn about osmosis, the process by which water moves through a semi-permeable membrane.

Skittles Rainbow Experiment

With this experiment, kids can create their own colorful rainbow at home using Skittles! This is a great way for kids to learn about the concept of diffusion, demonstrating how colors and substances mix and move through water.

Make an Ant Farm Science Experiment for Kids

Create a miniature habitat in a jar with this ant farm science experiment!

This experiment helps children learn about the fascinating world of ant biology, including their social structures, tunneling behaviors, and how they work together to create and maintain their underground homes.

How to Make a Lava Lamp Experiment

Kids can make a mesmerizing lava lamp at home using a few simple ingredients, transforming ordinary items into a exciting science project.

This experiment is a fun and interactive way to explore concepts of liquid density and gas production, plus it’s so colorful and fun to look at!

Make Your Own Water Compass Science Experiment

In this fun experiment kids can make their own water compass and learn to magnetize a paper clip! This experiment helps children understand the principles of magnetism and how the Earth’s magnetic field can be used for navigation.

Hot and Cool Colors Outdoor Science Experiment for Summer

In this hot and cool colors experiment, kids see how color affects temperature and learn about the concept of heat absorption.

It’s a hands-on way to explore the relationship between color and temperature in a fun, summer-friendly activity.

Growing Rock Candy Sticks

What kid wouldn’t love to grow their own rock candy? That’s exactly what they’ll learn to do in this fun experiment!

This experiment helps children learn about the process of crystallization, demonstrating how saturated solutions deposit solids as they cool and evaporate. It’s a sweet and educational way to explore the principles of solubility, saturation, and crystal growth.

Magic Paint Potions: A DIY Process Art Lab for Kids

Use common household ingredients to make your own magic paint potions- and some pretty awesome art in the process!

This is an engaging, hands-on way for kids to learn about chemical reactions as they experiment with the different art their “potions” can create.

How to Make a Papier Mache Erupting Volcano

Kids will love making their own bubbling, erupting volcano with this fun activity!

This classic experiment helps children learn about chemical reactions and the dynamic nature of volcanic eruptions. And what kid wouldn’t love to see a mini volcano that actually erupts?!

Heart STEM Activity for Kids

In this fun science activity, an invisible ink solution is used to paint a simple diagram of the human cardiovascular system on a paper outline of the human body. By using a special reagent to reveal the hidden ink, kids will be delighted to see the heart, veins, and arteries “magically” appear.

This engaging experiment teaches children about the cardiovascular system, while also demonstrating the chemical reaction between the invisible ink and the reagent that makes the hidden illustration come to life.

Leaf Chromatography Science Experiment For Kids

In this leaf chromatography science experiment, kids explore the hidden pigments in leaves by separating their colors using a simple chromatography technique.

This fascinating activity helps children learn about leaf pigmentation, revealing the different chemicals like chlorophyll and carotenoids that give leaves their vibrant green, yellow, and orange hues.

Underwater Volcano Experiment for Kids

This underwater volcano experiment teaches children about the principles of density and convection currents, demonstrating how warm water, being less dense, moves upwards through colder, denser water. It mimics the way underwater volcanic eruptions release hot magma, creating dynamic movement and mixing in the ocean.

How to Make a Mini Balloon Racecar

In this fun project, kids create a small racecar powered by the force of a deflating balloon.

As the air rushes out of the balloon, it propels the car forward, providing a hands-on way to learn about Newton’s Third Law of Motion: for every action, there is an equal and opposite reaction.

Working Indoor Water Cycle Experiment

Learn all about the water cycle with this working indoor water cycle experiment!

This experiment helps children understand the stages of the water cycle by observing how water vapor rises, condenses into droplets on the cling wrap, and then falls back into the bowl, mimicking rain.

It’s a hands-on way to explore the processes of evaporation, condensation, and precipitation in a contained environment.

Fun Bouncing Bubbles Activity

In this bouncing bubbles experiment, kids create a special bubble solution that allows them to make bubbles that can bounce without popping easily.

This fun activity helps children learn about surface tension, which is the force that holds the surface of a liquid together. Kids explore how surface tension works to keep the bubbles intact, providing a fascinating look at the properties of liquids and the science behind bubbles.

Final Thoughts

Exploring these easy and engaging science experiments is a fantastic way to spark curiosity and excitement in young minds.

Each activity, from making a raincloud in a jar to growing rock candy sticks, provides a hands-on opportunity for kids to discover fundamental scientific principles.

These experiments transform everyday materials into tools for learning, making complex concepts like density, osmosis, and the water cycle both accessible and fun.

I hope these experiments inspire your children to ask questions, make observations, and see the world around them through the lens of a budding scientist.

Keep experimenting and enjoy the journey of discovery together!

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100+ Easy Science Experiments for Kids To Do at Home (Using Materials You Already Have!)

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Looking for fun science experiments to do at home with your kids? We’ve compiled the ultimate list of cool science experiments for kids – most of which can be done with materials you already have on hand!

Children are naturally curious about the world around them, but explaining scientific concepts without a physical demonstration can be confusing, and well, just not fun! We’ve found the best way to teach science is with simple science experiments that provide hands-on learning opportunities – making concepts more accessible, and most importantly, extremely fun and memorable for kids.

We’ve scoured the web to pull together an epic list of the best easy science experiments you can do at home with your kids. Whether you have preschoolers starting at square one, or tweens or teens looking for the ultimate Science Fair project idea, this list has it all – ranging from weather, water and physics experiments, to chemical reactions and explosions (always a kid favorite!).

And you won’t have to make a special trip to the craft or hardware store – almost all of these fun science experiments use common household ingredients that you probably already have at home. Score!

So what are you waiting for – dive right in and have some science fun!

PIN for when you’re ready to perform a fun science experiment:

Science Experiments using Chemistry (Hello, Explosions!)

Your kids will have a blast watching how different materials react and change with these simple chemistry experiments – there’s tons of bubbly explosions, fizzy reactions and rainbow creations to choose from!

(1) These Oozing Pumpkins are sure to bring lots of laughs from your young scientists as you create overflowing reactions from baking soda and white vinegar. (via Little Bins for Little Hands)

(2) Or swap the pumpkin for a lemon to create a miniature volcano right in your kitchen with this Lemon Volcano . (via The Best Ideas for Kids)

(3) Go big or go home with this incredible Watermelon Volcano experiment where you just need a few simple materials including baking soda, dish soap, vinegar and a little bit of food coloring. (via Preschool Play & Learn)

(4) We love this colorful twist on the classic Baking Soda and Vinegar Reaction . It just never gets old! (via Crafts by Amanda)

(5) Grab a baking sheet and try this Fizzing Colors activity to make a bubbly piece of art! (via Mom Wife Busy Life)

(6) A fun Rainbow variation on the classic Baking Soda and Vinegar experiment that is sure to make kids smile. (via The Best Ideas for Kids)

(7) Make these amazing Magical Color Changing Unicorn Noodles with cabbage and then squeeze on some lemon to watch the noodles change color! (via Left Brain Craft Brain)

(8) Learn about reactions on a large scale and turn milk into a work of art with this interactive Giant Magic Milk experiment . (via Hello Wonderful)

(9) Up the ante and make this Vinegar & Baking Soda Rocket – the chemical reaction can make it fly 30-50 feet into the air! (via 123 Homeschool for 4)

(10) Or try this super cool Chemical Reaction Car – it gets a boost from a fizzy reaction from a base (sodium bicarbonate, aka baking soda) and an acid (vinegar) which mix together and release carbon dioxide. (via Left Brain Craft Brain)

(11) Kids love this simple experiment about Apple Oxidation where they can predict which liquid will keep the apple slices from browning, then test their hypothesis. (via Jennifer Findley)

(12) Ever wonder why the Statue of Liberty is green? Get the answer to that question and learn a little bit about a famous US landmark with this cool Penny Science Experiment . (via The Keele Deal)

(13) Wow your kids by making raisins dance! This Dancing Raisins chemical experiment requires minimal ingredients (water + baking soda) but gets maximum results. (via 123 Homeschool 4 ME)

(14) What happens if you drop an egg? It cracks, right? But what if you drop a bouncy egg?!  Learn how to make Bouncing Eggs with this fun kitchen experiment. (via 123 Homeschool 4 ME)

(15) It’s an old classic, but it’s still fun to do – try to fit a hardboiled egg into a glass jar with this Egg in a Bottle experiment. (via Left Brain Craft Brain)

(16) Practice fire safety while learning about the relationship between oxygen and fire with this incredibly simple Fire Safety Experiment . (via Mama Smiles)

(17) Impress your kids with this cool Smoking Fingers Trick that makes it look like your fingers are on fire as smoke rises from them! And yes, it’s best to leave this one to the grown-ups for demonstration. (via Left Brain Craft Brain)

(18) Kids will enjoy watching these balloons inflate “on their own” in this fun Balloon experiment . (via All for the Boys)

(19) With a few ingredients from your pantry, you can head outside and try this Exploding Sidewalk Chalk , because who doesn’t love messy explosions?! (via Hess Un-Academy)

(20) How do elephants keep their teeth clean? With Elephant Toothpaste of course! This is one of the best science experiments for kids of all ages – from preschoolers to teens. All it takes is hydrogen peroxide, dry yeast, dish soap and food coloring to make this super cool foamy reaction. (via Teach Beside Me)

(21) Kids (and parents) will enjoy seeing the “lava” flowing in this fun experiment where you can Take a Look Inside of a Volcano ! (via 123 Homeschool 4 Me)

(22) How pretty are these Crystal Flowers ? They’re a craft and science experiment all in one! (via Preschool Play & Learn)

(23) Make your own sweet treat, with this Fizzy Sherbet and learn the science behind why it tickles your tongue. (via Go Science Kids)

(24) Grab all your dull pennies and task your little scientists to try different solutions to determine How to Clean Pennies , then learn why some solutions work better than others. (via Gally Kids)

Weather Science Experiments for Kids

Why is it rainy one day and sunny the next? What causes thunder and lightning? How do clouds form? 

The weather is always changing and easily observable by kids. That makes weather experiments not only super fun, but incredibly relevant for children of all ages. Explore weather-related science with these easy experiments:

(1) Have fun creating your very own rain clouds using shaving cream and food coloring with this Rain Cloud in a Jar activity. (via The Best Ideas for Kids)

(2) If you’ve got a marker and a plastic zipper bag, your kids will love getting to watch the water cycle in action by creating their very own Water Cycle in a Bag . (via Playdough to Plato)

(3) Or simply use a glass bowl and some ice cubes for a Water Cycle Experiment on the kitchen counter! (via Taming Little Monsters)

(4) Alternatively, reuse plastic bottles for a hands-on Water Cycle Experiment . (via 123 Homeschool 4 ME)

(5) Now that you know all about the water cycle, why not Build Your Own Rain Gauge ? (via Nurture Store)

(6) Learn what happens when warm air rises and cool air sinks with this colorful simple experiment. (via Mom Brite)

(7) Kids will love watching a cloud form and escape when you Create a Cloud in a Water Bottle . (via Playing with Rain)

(8) If you don’t have an empty water bottle lying around, you can check out this post to create another billowing cloud using a mason jar . It is so exciting to watch the clouds roll out of the jars! (via Little Bins for Little Hands)

(9) This Tornado in a Jar is one of the most classic science experiments and is always a hit with kids. (via Natural Beach Living)

(10) Light a fire and learn about how heat moves from the Earth in this Observing Conduction experiment. (via Learn, Play, Imagine)

(11) If it’s too cold to go out and play, make the most of your time inside with this Snowstorm in a Jar . (via Taming Little Monsters)

(12) You can create your own lightning spark at home with static electricity by using just a balloon and a metal spoon! (via Learn, Play, Imagine)

(13) Have you ever wondered how hail forms? Well, you’re in luck! Grab your hair dryer for this Understanding Hail activity . (via Playing with Rain)

(14) Watch wind create energy by Making a Pinwheel.  (via Science Sparks)

(15) Your kids will love learning about ice caps and polar regions with this fun sensory Melting Polar Ice Caps science activity. (via Science Sparks)

(16) And if that’s not enough snow, you can kick it up a notch with this Avalanche Experiment . (via A Dab of Glue Will Do)

(17) Grab some sidewalk chalk on a sunny day for a Human Sundial Experiment . (via Rhythms of Play)

(18) Make your own Rainbow and learn about refraction and dispersion of light. (via Rookie Parenting)

Easy Science Experiments with Candy

Adding candy makes anything more exciting for kids (or at least more sweet!), and these cool candy science experiments are no exception.

These experiments are easy, fun, and a great way to use up any extra candy that might be hanging around after the holidays! 

(1) Create a rainbow on your plate with this stunning Easy Skittles Experiment . (via The Best Ideas for Kids)

(2) Now this is an experiment that kids will get excited about! Make your own Homemade Rock Candy while learning about the crystallization process. (via Better Life Blog)

(3) Explore chromatography, a technique for separating difference substances (in this case, candy and dye), with this cool Candy Chromatography kid-friendly experiment. (via Mama Miss)

(4) Learn about osmosis and watch gummy candy magically grow with this simple Gummy Bear Science Experiment . (via Playdough to Plato)

(5) Does your child like to collect rocks? Why not let them dig deeper by making these Edible Sedimentary Rocks . (via Rainy Day Mum)

(6) Watch your kids get excited as you make Pop Rocks blow up a balloon in this epic Pop Rock Science Experiment . (via 123 Homeschool 4 ME)

(7) While many people either love or do not love bright marshmallow Peeps, everyone will love learning what makes them dissolve in this Dissolving Peeps experiment. (via A Dab of Glue Will Do)

(8) If your candy has transparent colored wrappers, you can save them to learn about color mixing in with this fun color science project . (via Kids’ Craft Room)

(9) There are many ways to learn about the human body, but we’re pretty sure that the sweetest way is with candy. Kids of all ages will love making this Candy DNA Model . (via Science Sparks)

(10) Your kids won’t be the only wiggle worms in the house with these fun Dancing Frankenworms . (via Playdough to Plato)

(11) Learn how powerful the sun can be with these DIY Solar Oven S’mores . We bet you can’t eat just one! (via Desert Chica)

(12) Your little scientists will LOVE this Mentos Geyser which will teach them what happens when carbon dioxide in Soda meets a Mentos candy, while putting on quite the display! (via I Can Teach My Child)

(13) Usually we’d advise that kids stay far away from broken glass – unless, this is, it’s this yummy Edible Glass ! (via Go Science Kids)

(14) This is a simple science experiment and a magic trick! Find out what happens to sugar when emerged in warm water with this cool Disappearing Candy Cane Stripes experiment. (via Playdough to Plato)

Science Experiments Using Water

If there is anything that is almost universally fun for kids, it’s playing with water. Try one of these fun water science experiments that are perfect for a rainy day indoors, or for keeping cool on a sunny day!

(1) If your little one enjoys all things colorful, they will love this incredible Walking Water Science Experiment – and all you need are paper towels, water and food coloring to get started. (via The Best Ideas for Kids)

(2) Your kids won’t believe their eyes when they see cabbage changing colors in this fun Rainbow Cabbage experiment . (via Growing a Jeweled Rose)

(3) Discover how different liquids react together with this easy experiment that creates a colorful Layered Density Column . (via Steve Spangler Science)

(4) Or learn how water travels upward through vines and stems all while creating a beautiful bouquet with these Color Changing Flowers . (via The Best Ideas for Kids)

(5) Observe how different liquids do or do not mix by creating Fireworks in a Jar . (via Hands on Teaching Ideas)

(6) Find out how temperature affects the density of water with this colorful Hot and Cold Water Density experiment. (via STEAMsational)

(7) “Grow” your own Rainbow with this colorful science experiment that highlights chromatography. (via The Best Ideas for Kids)

(8) Keep exploring the concept of absorption, diffusion and solubility while bringing out your creative side with this Coffee Filter Process Art . (via Babble Dabble Do)

(9) See how quickly you can move water from one container to the next using sponges in this fun Water Transfer Activity.  (via Live Well Play Together)

(10) Play with water and Bubbles while learning about surface tension and evaporation. (via Hello Wonderful)

(11) Who else had a lava lamp growing up? This DIY Frozen Lava Lamp experiment is not only simple and fun, but brings back the lava lamp nostalgia! (via Hello Wonderful)

(12) Explore the relationship between gas, pressure, and volume in this easy Rising Water Experiment . (via Team Cartwright)

(13) Explore the power of water pressure with this low-prep, big fun Water Suspension Science activity. (via A Mothership Down)

(14) If you are looking for an activity that you can do almost anywhere, take a couple of minutes for this Water Light Refraction Experiment . (via Go Science Kids)

(15) Learn about absorption and expansion by Measuring Water Beads. (via Blue Bear Wood)

(16) Kids will love watching their drawings come to life with these Floating Dry Erase Figures . So cool! (via Go Science Girls)

(17) What will happen if you poke a hole in a bag full of water? Will it leak? Not with this Leak Proof Bag experiment. (via Montessori from the Heart)

Life Science Experiments for Kids

One of our favorite things to learn about is how living things (ourselves included) work. These life science experiments and activities will spark your child’s curiosity about the world around them!

Life Science Experiments about the Human Body:

(1) Learn how our heart pumps blood to our bodies with this Heart Pump Model . (via Science Sparks)

(2) Your child can learn how our lungs work by making a Model Lung with simple materials you probably have around the house: a plastic bottle, straw, elastic band, balloons and play dough! (via Science Sparks)

(3) These printable life-sized organs allow kids to study their body anatomy in a hands-on way. (via Adventure in a Box)

(4) Learn all about scabs – what causes them (and why they’re so important not to pick!) by making a Fake Jelly Scab that can then be eaten! (via Science Sparks)

(5) If you’re willing to brave glitter, this Glitter Germs Hand Washing Activity teaches children the importance of thorough hand washing while talking about how germs spread. (via The Soccer Mom Blog)

(6) Or, try this Growing Germs easy science experiment which uses an apple and your own child’s germs to not only teach kids to wash their hands, but all about controls and variables too! (via Playdough to Plato)

(7) Demonstrate how tooth decay happens and how to prevent it by soaking eggshells in various liquids in this Tooth Decay experiment. Is sugar a culprit? A great lesson for kids. (via Sciencing)

(8) This super easy Heart Rate Investigation will teach your kids about their heart, blood circulation and pulse, but also get them moving! (via Science Sparks)

(9) Your budding artists will love this Magic Heart Painting activity. Watch the cardiovascular system appear before their eyes! (via Taming Little Monsters)

Life Science Experiments with Plants:

(10) How do different liquids affect plant growth? Find out with this Plant Growth experiment – it’s one of our favorite science experiments and makes a great Science Fair Project! (via Lemon Lime Adventures)

(11) Discuss how plants grow and what they need to thrive by growing a Bean in a Jar . (via Growling a Jeweled Rose)

(12) Or use a plastic bag instead! All you need is a Ziploc baggie, a few beans and a damp paper towel to Grow Beans in a Bag . (via Community Playthings)

(13) Combine engineering and science while learning all about germination with this DIY Sprout House . (via The STEM Laboratory)

(14) Observe plant growth both above and beneath the “ground” by planting bulbs in a clear cup . (via Buggy and Buddy)

(15) Watch how plants respond to sunlight in this super easy Plant and Sunlight Experiment . (via Mama Smiles)

(16) Kids will love learning How Leaves Breathe with this simple plant experiment. (via Edventures with Kids)

(17) Did you know that you can grow vegetables with scraps? Watch your scrap veggies grow new life with a Scrap Garden . (via Hess UnAcademy)

Easy Physics Science Experiments for Kids

Learn how things move with these simple physics experiments for kids. Physics is the branch of science that studies matter, how it moves, and how it interacts – it encompasses the study of motion, light, electricity, magnetism, aerodynamics, and sound.

We’ve found that the best way to explain physics to kids is to skip the explanation and do a hands-on demonstration instead. Use these fun experiments to jump feet first into the world of Physics:

(1) First off, a classic Craft Stick Catapult ! This simple activity is a great way to teach about energy cause and effect, as well as simple machines…and you thought you were just going to be launching marshmallows across the room! (via Team Cartwright)

(2) Explore physics and play at the same time with these awesome Pom Pom Shooters . (via Left Brain Craft Brain)

(3) This classic science fair project will teach your kids how to use chemistry to generate an electric current by making a Lemon/Lime Battery ! (via Babble Dabble Do)

(4) Explore the science of sound with this pretty Rainbow Water Xylophone . (via Mama Papa Bubba)

(5) Make a simple Newton’s Cradle out of popsicle sticks, string and marbles to demonstration the conservation of momentum – kids loooove this one! (via Babble Dabble Do)

(6) Send a balloon blasting off and introduce simple physics with these neat Balloon Straw Rockets . (via Preschool Play & Learn)

(7) Grab some plastic bottles and string to make this fun Inertia Zoom Ball – a project kids can learn and play with! (via What Do We Do All Day)

(8) Popsicle sticks, rubber bands and some blocks are all you need to make a Stixplosion – demonstrating chain reactions which you can use to teach about kinetic and potential energy. (via Babble Dabble Do)

(9) Make a Salty Circuit to introduce your kids to electricity and how it moves from a battery through a circuit to power an LED. (via Babble Dabble Do)

(10) Demonstrate work and energy with this super cool Paper Airplane Launcher . (via Frugal Fun 4 Boys and Girls)

(11) Visually show the concept of gravity with this easy Gravity Activity with Paperclips . (via Buggy and Buddy)

(12) If you’re feeling particularly ambitious, you can create your own Light Bulb Experiment to see how electricity travels through a circuit. (via 123 Homeschool for Me)

(13) Discover what things are magnetic and vice versa with this fun Magnet Fishing Game . Great for preschoolers! (via Rhythms of Play)

(14) Baseball fans will enjoy this Frozen Baseball Experiment to observe how temperature affects how a baseball travels. (via Our Family Code)

(15) Learn more about inertia with these easy Inertia Science Experiments with Pennies . (via Frugal Fun 4 Boys and Girls)

(16) This awesome Rollback Can is a simple physics project that will amaze your kids and demonstrate potential and kinetic energy. (via Babble Dabble Do)

(17) These 4 Magical Magnet Projects will teach your kids about magnetism, and they’ll be mesmerized by its power! (via Babble Dabble Do)

States of Matter Science Experiments for Kids

All matter is either a solid, liquid, or gas, right? Or is it? And what happens to make some matter change states more easily than others? Kids will love these easy States of Matter science activities where they will get to learn the answers to those questions and more! 

(1) This Simple Balloon experiment will teach young kids all about the 3 states of matter with a Hands-on Density test. (via 123 Homeschool 4 ME)

(2) Watch as liquid cream becomes a solid by making your own Homemade Butter . Make sure you taste test it too! (via Playdough to Plato)

(3) And because it’s always a good time for ice cream, see how simple ingredients come together and change state when you make this Ice Cream in a Bag . It’s also a great activity to discuss an exothermic reaction, a chemical reaction that releases light or heat. In this instance, heat is released from the shaking, yet it freezes the cream – science sure is amazing! (via House of Nash Eats)

(4) Fill up balloons with different types of liquid in this fun Water Balloon Science Experiment and then try and predict if they will float or sink in water. (via 123 Homeschool 4 ME)

(5) A messy project that is universally loved by kids – Oobleck ! This Non-Newtonian fluid can act like a solid and a liquid. And you can make it at home as long as you’ve got cornstarch in your pantry. (via The Best Ideas for Kids)

(6) Task your kids to create an insulated box for an ice cube using materials from around the house in this Don’t Melt the Ice experiment. (via Frugal Fun 4 Boys and Girls)

We hope this list of easy science experiments for kids proves that science doesn’t have to be complicated…or boring! With materials you already have at home, you can create a memorable learning experience, and you definitely don’t need a lab coat to watch science come alive!

RELATED: Looking for more fun indoor activities to keep your kids busy? Check out 87 Energy-Busting Indoor Games & Activities for Kids (because cabin fever is no joke!)

What’s your favorite science experiment? Let us know your favorites in the comments below!

Mary Leigh is a stay-at-home mom to 3 fun and active boys. She started her blog,  Live Well Play Together , as a creative way to encourage moms to celebrate the simple, everyday moments in motherhood.  You can most often find her writing about kids’ activities, thoughts on motherhood, and simple ideas for family fun.  Follow her on  Pinterest ,  Instagram ,  Facebook , and  Twitter for fun ideas to bring a little fun to your everyday!

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Hands on kids activities for hands on moms. Focusing on kids activities perfect for toddlers and preschoolers.

50 Amazingly Simple Science Experiments for Kids at Home

Science Kindergartners Preschoolers Experiment Resources 30 Comments

Kids love experimenting , and these 50 simple science experiments for kids at home from Brigitte are perfect for all ages! Plus, you probably already have the basic supplies at home.

My daughters and I have had a lot of fun doing science experiments. Each year when we create our spring and summer list , we make sure to include “science days” which are days filled with science experiments.

Sometimes our science experiments don’t work according to plan, but I have been told that all scientists have failures with experiments from time to time.

It’s okay if they aren’t all successes.

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50 Simple Science Experiments with Supplies You Already Have

I love these 50 simple science experiments for you to try with your little scientists. They all use basic household supplies that you probably already have at home!

Most of these are experiments my daughters and I have done together. I hope you enjoy them as much as we have!

Get little ones involved with these easy toddler-friendly science experiment ideas!

Simple Science Experiments with Water

Not only can water  be a blast to play in, but water plus a few basic supplies equals a lot of science fun!

• Make an orange sink and float with an orange buoyancy experiment from Playdough to Plato.
• Compare the amount of salt in different types of water with this salty egg experiment  as seen on Uplifting Mayhem.
• Do a little more sinking or floating with a fun sink or float experiment  even toddlers can do from Hands On As We Grow.
• Use the free printable to record what sinks or floats in an outdoor experiment from Buggy and Buddy.
• Create some beautiful pieces of paper with this rainbow paper experiment from Science Kiddo.
• Talk about solutions as you try the “what dissolves in water” experiment  as seen on Hands On As We Grow.
• Learn about water absorption with this simple experiment from Little Bins for Little Hands.
• Mix some fun colors with this oil and water experiment  from Fun Learning for Kids.
• Make your own lava lamp , just like on  Hands On As We Grow.
• Can you keep all the water in the bag? Try it with a  leak-proof bag experiment  as seen on Hands On As We Grow.
• Learn about surface tension with this  magic finger pepper experiment  found on Hands On As We Grow.
• Make your own  water cycle in a bottle  as seen on A Dab of Glue Will Do.

Simple Science Experiments with Baking Soda and Vinegar

Baking soda + vinegar = a great chemical reaction! This fizzy reaction can fuel a variety of simple science experiments at home.

First of all, we have tested and found out the absolute best combination of baking soda and vinegar to get the best reaction possible. It makes a difference if you add vinegar to baking soda or vice versa! And how much you use!

• Inflate a balloon without blowing into it with a baking soda and vinegar balloon experiment  as seen on Little Bins for Little Hands.
• Practice colors as you do a baking soda and vinegar with color experiment as seen on Hands On As We Grow.
• Have fun outside with an outdoor volcano eruption  as seen on Preschool Inspirations.
• Have more volcano fun by making apple volcanoes as seen on The Resourceful Mama.
• Learn about acids and bases and the chemical reaction that occurs when you make apple seeds dance with a   jumping apple seeds experiment  as seen on JDaniel4s Mom.
• Watch some rice dance with a   dancing rice experiment as seen on Green Kid Crafts.
• Continue your dance party by making raisins dance with a dancing raisin experiment  as seen on 123 Homeschool 4 Me. What other items can you get to dance?
• Learn more about acids and bases by dissolving a sea shell as seen on Teach Beside Me.
• Make an egg shell disappear with this disappearing egg activity  as seen on Premeditated Leftovers.
• See how far you can launch a soda bottle with this baking soda powered boat as seen on Science Sparks.
• Make your own rocks (or eggs) with this fizzy treasure rocks experiment as seen on Living Life and Learning.
• Have some fun this summer with this frozen vinegar experiment as seen on Inspiration Laboratories.

Plant Themed Simple Science Experiments

Enjoy learning about seeds, plant parts, and how plants grow with these simple science experiments.

• Learn about how plants soak up water through their stems with a flower experiment for kids  from Growing A Jeweled Rose.
• Watch seeds sprout as you grow seeds in a jar  as seen on Teaching Mama.
• Learn about the parts of the seed with a seed coat experiment as seen on Gift of Curiosity.
• Build a house out of sponges and then watch it sprout with this sprout house as seen on The Stem Laboratory.
• Learn what liquids allow seeds to grow the best with this seed experiment  as seen on Gift of Curiosity.
• Explore how plants grow towards the light with this shoe-box maze experiment from Plants for Kids.

Animal Themed Simple Science Experiments

Learning about animals can be even more fun with some simple hands-on simple science experiments.

• Find out more about giraffes and create some giraffe spots  as seen on Preschool Powol Packets.
• Learn about how animals in the Arctic keep warm by making an arctic glove  as seen on Steve Spangler Science.
• Discover how penguins stay dry with a penguin feather experiment as seen on Raising Little Superheroes.
• Learn about different bird beaks with a bird beak experiment as seen on Blessed Beyond a Doubt.
• Explore how fish (and hermit crabs) breathe with this gill experiment  as seen on Preschool Powol Packets.
• Learn about sharks with a   shark buoyancy experiment as seen on Little Bins for Little Hands.

Even More Simple Science Experiment for Kids at Home!

If you are still looking for more science fun, you may enjoy the following simple science experiments.

• Find out how sugary drinks hurt teeth with an  eggs-periment  as seen on Feels Like Home Blog.
• Discover geodes (the state rock of Iowa) with this eggshell geode crystal experiment  as seen on Science Bob.
• Learn about air pressure with an egg and bottle experiment  as seen on Science Sparks.
• Find out what causes an apple to brown with this apple science experiment  as seen on Teach Beside Me.
• Make an  edible bubble apple with an experiment as seen on Preschool Powol Packet.
• Learn more about surface tension with a penny and water experiment  as seen on Artful Parent.
• Mix colors like magic with this color changing milk experiment  from Hands On As We Grow.
• Blow up a balloon with this soda and balloon experiment from Learn Play Imagine.
• Practice letters by making beautiful crystal letters as seen on Books and Giggles.
• Make your own indoor hovercraft  as seen on Living Life and Learning.
• Learn about colors with this beautiful butterfly chromatography craft  as seen on Buggy and Buddy.
• Make soap souffle  as seen on Steve Spangler Science.
• After talking about liquids and solids (and finding them in your own home), create oobleck  as seen on Babble Dabble Do. Is it a liquid, or is it a solid?
• Learn about frost by making some indoor frost as seen on Little Bin for Little Hands.
• Make your own homemade butter in a jar as seen on Happy Hooligans.

What scientific experiment will you try first?

About Brigitte Brulz

Brigitte Brulz is a homeschooling mom of two daughters, wife of her high school sweetheart, and author of Jobs of a Preschooler and Pickles, Pickles, I Like Pickles. She offers free coloring pages and activity ideas on her website at BrigitteBrulz.com .

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30 comments.

college brawl says

March 13, 2024 at 1:05 am

Wow, these experiments look like so much fun! I can’t wait to try them out with my kids. We’re always looking for new and creative ways to learn about science at home, and these experiments look like they’ll be perfect for us. Thanks for sharing! 😊

threadsBay says

August 31, 2023 at 3:13 am

I love science experiments! This one is really simple and easy to do.

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Easy Science Experiments for Kids

Looking for some easy experiments to do with the kids? We’ve got you covered with all of our favourite, easy science experiments for kids. The best part about all of these ideas is that they may be simple, but the lessons are powerful! Plus they can be adapted for a wide variety of ages and learning environments.

100+ Genius Easy Science Experiments for Kids

Disclaimer: This article may contain commission or affiliate links. As an Amazon Influencer I earn from qualifying purchases. Not seeing our videos? Turn off any adblockers to ensure our video feed can be seen. Or visit our YouTube channel to see if the video has been uploaded there. We are slowly uploading our archives. Thanks!

Fun Science Experiments

First let’s kick things off with a list of easy science experiments for kids that we have done many times over and are a favourite of STEAM Powered Family readers around the world. Almost all of these projects use common household items and are tested by kids and teachers. We have science experiments for all ages, from preschool to middle school, even adults love to do these. The best part is that you can use these ideas to help students gain comfort and eventually mastery of the Scientific Method . This list is also a fantastic place to find ideas for your science fair projects.

Baking Soda and Vinegar Experiments

It is incredible the number of cool science experiments you can create from this one simple chemical reaction between Baking Soda and Vinegar . This endothermic reaction, is a classic acid and base chemical reaction.

Here is the chemical formula of this reaction

C 2 H 4 O 2  + NaHCO 3  -> NaC 2 H 3 O 2  + H 2 O + CO 2 vinegar + sodium bicarbonate -> sodium acetate + water + carbon dioxide

Some of our favourite baking soda and vinegar science activities of all time include Bottle Rockets , Fireworks Experiment , Baking Soda Oobleck , and Hatching Dinosaur Eggs . No matter which one you pick, you must try at least one vinegar and baking soda experiment when little scientists are first learning about chemistry.

Balloon Races – Physics Science Experiment

This fast paced, exciting science experiment explores the principles of physics and Newton’s Laws of Motion. It is so simple, kids won’t believe how much they are learning while having fun! Balloon Races make a fantastic activity for the classroom, camp, after school program or at home when the kids need to burn off some energy while learning!

Build a Compass – A Magnetism Science Experiment

Did you know it is actually very easy to build a compass ? All you need is a bowl of water, a needle and a cork! Have your children explore the same magnetic forces that inspired Einstein as a child in this fun science experiment.

Lollipop Layers Density Experiment

Density is such a fun phenomenon to explore, and in this version of a density experiment we are using candy! Lollipop layers is so simple, all you need is a bunch of lollipops or hard candies, water, and a patient hand. The result… GORGEOUS!

Greenhouse Effect Science Experiment

Climate change experiments are so important for helping foster a deep understanding in our students. In this Greenhouse Effect Science Experiment we learn how gas are changing the atmosphere and affecting global temperatures.

Volcano Experiment

A classic science project for kids, making a volcano can be as simple or as complex as you want to make it. The goal of the exercise, a big, bubbly reaction that is sure to WOW students. Here are some of our favourite Volcano Experiments we have done.

Have you ever made a Lava Lamp at home? This sensory science experiment is mesmerizing! Watching those bubbles bounce and dance and play is sure to capture students of all ages. Best of all, we have 5 different ways you can make a Lava Lamp (including the old favourite with alka seltzer), so no matter what supplies you have available, we have a Lava Lamp experiment you can do.

Make Milk Plastic

While teaching elementary science I was always on the hunt for cool science experiments that would impress my kids and really stretch their interests and foster their curiosity. One of the biggest hits of all time was a surprisingly simple experiment, that we never really considered as possible… making plastics. Specifically making bioplastics out of milk . With this concept you can create a lesson that is a powerful way to explore polymers with kids. This easy science experiment is a sure fire hit with students and gives them a wonderful keepsake of their studies.

Bouncy Naked Egg in Vinegar Experiment

Have you ever tried to shell a raw egg? Impossible you say? Challenge your hypothesis in this egg in vinegar science experiment ! Not only will you remove the shell from a raw egg, but the result is a bouncy, rubbery, raw egg. An incredibly simple science experiment, it can also be used to teach higher level concepts in osmosis and biology for students learning about the parts of the cell.

Making Water Rise Experiment Magic

When we did this water experiment the kids jaws hit the floor! It is so simple, but the results shock the kids. This is one very easy science experiment that is also incredibly memorable. It teaches the science of creating a vacuum in a very simple approach with just a jar, water and a candle. Learn how to make water rise and wow your students!

Elephant Toothpaste

You have probably seen the Elephant Toothpaste Science Experiment done on TV or at the Science Center where they create a massive gusher that goes many feet into the air, but did you know there is a very simple and easy way you can do this experiment yourself with items you already have available? This classic science experiment is one every student should experience.

Frozen Bubbles

If you live where it gets well below freezing, one of our favourite winter science experiments is to freeze bubbles . There are some specific science principles you need to understand to ensure this experiment is a beautiful success!

Growing Crystals

As a crystal lover and passionate family of rock hounds, the idea of growing crystals is something that we love! Over the years we have found all the ways to simplify and perfect the process so you can easily grow gorgeous crystals and learn the science behind crystallization. We have made crystals from borax, alum and sugar. We even have edible crystals called Rock Candy … yum!!

Explore Surface Tension with Glitter (or Pepper) and Soap

Surface tension is the focus of this simple science experiment that provides a powerful demonstration of the effect soap has on surface tension. Do this easy experiment, all you need is a plate, water, glitter or pepper and dish soap. Such an easy science experiment for kids!

Bottle Crush – Simple Heat Transfer Experiment

Got a soda pop bottle, some hot water and a cold winter day (or a bucket of ice)? Then you have all the makings of a cool science experiment! This this Bottle Crush science experiment , kids feel like all powerful magicians as they crush plastic bottles without touching them.

pH Testing Lab

Have you ever done a pH lab ex periment? In this simple version, you can use items from the kitchen to create a science lab that allows students to explore pH and learn more about acids and bases.

Gummy Mummies – Gummy Bear Mummification Experiment

Gummy Bear Science Experiments are always a hit with kids and in this easy science experiment we explore how the mummification process works. Add an extra fun comparison by also placing some of the gummy bears in liquid.

Walking Rainbow

Want a beautiful rainbow science experiment that is soooo easy it all happens without you even needing to do anything? Simply set it up, walk away, and come back to a beautiful rainbow of colours. In the Walking Rainbow Science Experiment kids learn about capillary action and color mixing. All you need is jars, paper towels, water and food coloring.

Rainbow Rain

On a rainy day, why not make Rainbow Rain in this simple science experiment for kids. The results are beautiful and will brighten a dreary day. All you need is water, shaving cream and a few drops of food colouring.

Skittles Experiment

It doesn’t get any easier than the simple Skittles Experiment . All you need is a plate, some Skittles and water. Soon you will have a spectacular science experiment the kids will beg to do again and again.

It’s been all the rage for a few years, and whether you love it or hate it, making slime can actually be a fantastic science experiment for kids.

Ready to do one of the most simple science experiments, but also the most fun? It’s time to make non-Newtonian Fluids! Known as Oobleck , it turns sold under pressure and liquifies when you remove pressure. And it will keep kids learning hands on and exploring for hours! The best part is all the different science experiments you can do with Oobleck.

Now when you think of Moon Dough , you don’t immediately think of easy science experiments for kids, but that’s because you have never made Moon Dough the way we make Moon Dough! In our recipes we learn about emulsifiers, glow in the dark science, chemical reactions, heat transfer, all while having so much fun exploring science and sensory play with kids of all ages.

Making playdough with your kids is a great way to teach them about mixtures, solutions, substances, and chemical changes. It is also teaches about the importance of formulas and the role each ingredient plays in creating one of the all time most popular sensory play items, playdough!

Magic Milk Experiment

Ready for some serious wow factor in a really easy science experiment? Magic Milk is a classic experiment that always mesmerizes kids. Over the years we have used it to learn about surface tension, space, pollution on Earth Day, and so much more. All you need is milk, dish soap and a drop of food colouring… and watch the magic colour explosion happen!

Simple Snow and Ice Experiment

Is it winter where you live? This is a fantastic, very simple and easy experiment to do with young students. All you need is some jars, snow, ice cubes and water… and watch the melting magic !

Heat Transfer Experiment – Slurpee Making

Kids love this simple slurpee science experiment where they get a cold, sweet treat at the end in the form of a homemade slurpee! Using the science of heat transfer, kids will make their very own slurpee out of juice. A great experiment for learning about temperature, heat and heat transfer.

Flying Ghosts Tea Bag Experiment

Obviously this easy science experiment is perfect for Halloween, but don’t let that stop you from doing it at any time during the year. The results of the flying tea bag experiment are always a hit with kids and all you need is fire and a tea bag to set flight to curiosity!

Ice Fishing

Inspire your little ones to learn more about how salt and water react in this fun ice fishing science experiment .

Water and Oil Experiment

Demonstrate how oil and water don’t mix in this colourful oil and water experiment. All you need is a few simple ingredients: water, oil and food colouring. When it comes to easy science experiments for kids, it doesn’t get easier than this!

Magnet Science – Harry Potter Inspired Wingardium Leviosa

Use the magic of science to wow students, or teach students this experiment so they can wow their friends with their new found magical abilities. You can also use this science to make ghosts fly! Who knew magnet science was so cool?

Marshmallow Science

Marshmallows are the secret to easy science experiments that you never knew existed in your pantry! Learn how to teach concepts around heat, molecules, expansion and more in this marshmallow science experiment .

Sky Science

Kids wondering why the sky changes colour during sunrise and sunsets? Or the always famous, why is the sky blue, question? Explore the science of the sky colours in this easy experiment .

Easy STEM Challenges

Why not combine Science with some Technology, Engineering and Math in these easy STEM Projects for kids.

Build a Popsicle Stick Catapult

One of the original STEM projects kids have been building for generations is the simple catapult. There are lots of different ways you can build a catapult, but here we are making the always easy and popular Popsicle Stick Catapult .

Build a Water Clock

This easy STEM project has some significant historical context that your history loving students will go wild over. Plus building a water clock is surprisingly easy but packs a powerful learning punch.

Make a Glow Salt Circuit

Before you start to worry, building a circuit doesn’t have to be difficult. In fact, once your students master the basics of electricity and circuits, they will want to start adding circuits to everything. To get started, one of the most simple circuit projects you can make is our Glow Salt Circuit . Don’t worry, we provide all the detailed instructions to ensure your project is a hit.

Build a Battery

Another great way to explore electricity science is to build a simple battery out of food. We have built Lemon Batteries , Pumpkin Batteries and even Potato Batteries . Kids love capturing the energy in our foods and using it to light up!

Build a Bridge

A bridge building challenge is a great way to challenge a class either in school, at camp or in an after school program. Kids get to let their innovation, creativity, and understanding of science and engineering go wild as they build their creations. Then test them out against other designs to see which concepts come out on top.

Rube Goldberg Machine

Building simple machines is an incredible STEM project for all ages. With a Rube Goldberg Machine you are linking simple machines into a chain reaction to achieve an end goal. The best part about a Rube Goldberg Machine project is that it challenges students to work together and apply critical thinking and problem skills as they develop their STEM literacy. Check out the Rube Goldberg Machine we built as a Leprechaun Trap .

Build a Catapult Cannon

Catapults may be fun, but as kids get older, they want bigger challenges, bigger launches and bigger fun with their learning. Enter the Catapult Cannon , a Catapult design that launches harder and farther than your regular catapults, and challenges students to apply more advanced engineering and physics concepts.

Build a Confetti Cannon or Seed Bomb Launcher

For a smaller scale challenge with mini cannons, try making this Confetti Cannon , which includes two different designs, one for little learners and one more complex design for older kids. Plus you can use a similar design concept to make a Seed Bomb Launcher for homemade Seed Bombs.

Tower Construction Challenge

A very easy STEM Project is to challenge kids to build a tower. Now you can do this with blocks or LEGO, but up the challenge by having kids build with candy , marshmallows , paper, pasta or even frozen bubbles . Add a time limit to turn this into a one minute STEM challenge.

Make a Thaumatrope

Optical illusions are always a fun experiment for kids. For a quick and easy optical illusion for kids, try building Thaumatropes . It is so easy, especially with our ideas and templates.

Build a Balloon Car

This is a STEM build that is perfect for a classroom or after school group. Build a Balloon Car that is powered by air. For younger kids, challenge them with the Make It Move STEM Challenge .

Biology Science Building Models

Turn a boring Biology lesson into a fun science class with a STEM project inspired by the human body. Build functioning models of The Lungs , The Heart or The Hand .

Science Projects and STEM Activities for the Holidays

Need something specific to celebrate the seasons or holidays? Check out all of these resources featuring the best in easy science experiments for kids with a special theme!

Spring Activities

Summer Activities

Fall Activities

Winter Activities

End of School Year

Valentine’s Day

St. Patrick’s Day

Halloween Activities

Christmas Activities

5 Days of Smart STEM Ideas for Kids

Get started in STEM with easy, engaging activities.

32 Cool Science Experiments for Kids (that are Fun AND Easy!)

Do you ever want to do science experiments at home with your kids, but you’re not quite sure what to do? Not just any old kitchen science experiment will do – you want something cooler than vinegar + bicarb soda! But, you also want something simple and easy to do – because no-one wants a huge mess from their kids doing crazy science experiments at home!

We understand, and that’s why the writing team here at STEM Geek has put our heads together to come up with the most awesome at-home science experiments for kids! As science enthusiasts and educators, we also wanted to make sure that these are genuine science learning opportunities. So not only are they captivating for the kids, but we also emphasize what questions can be asked as kids explore and apply the scientific method! Plus, we’ve arranged them according to how much time they take: up to 1 hour, 1 to several hours, and long-term.

Related Post: Ultimate Boredom Buster: 101 Things To Do When Kids Are Bored

Science Experiments at Home that take Less than 1 Hour

1. tie-dye milk.

Sounds delicious, right? You’re not actually drinking it, but instead watching science magic happens when you combine dish soap with milk and food coloring. This is a very pretty experiment that draws the focus and mind into what’s happening on the plate, and all because of a little chemistry with everyday items. Well, food dye may not be an everyday item, but it might be after your kids get a hold of this!

So, what’s going on here, scientifically-speaking? Milk is made up of two major ingredients: water and fat. When you add a little dish soap, it bonds with the fat in the milk so strongly that it literally pushes the food coloring and water away from the cotton ball. On a microscopic level, the dish soap is wandering around the milk, which causes the colors to swirl and swirl.

Questions to ask beforehand:

• Before knowing what will happen to the food coloring, ask the kids what they think will happen when dish soap mixes with milk.
• Since the major catalyst is fat in the milk, what would happen if you used other types of milk: Skim milk, soy milk, coconut milk?

You’ll need:

• Round cake pan or plate with high edges
• Cotton ball (some tutorials show cotton swabs)
• Dish detergent
• Different colors of food dye (three or four should do)

Procedure/Instructions:

• Fill the pan halfway with milk.
• Drip one color of food dye in one section of the plate away from the center. Four to five drops works and later you can play around with more or less. Do the same for the rest of the colors around the plate.
• Soak the cotton ball in dish detergent, and when you’re ready for action, place the cotton ball into the center of the pan.
• Watch the colors racing around, creating a psychedelic tie-dye effect!
• You can add more cotton balls throughout the dish to see more action.
• If some food coloring hugs the wall of the plate, take a cotton swab dipped in dish detergent and place it into the food coloring. It will move away!

2. Saturn’s Glowing Rings

I don’t know about you, but I love everything about space. This experiment shows you how Saturn’s rings are made of rocks and ice chunks even though they look so smooth in pictures. You’ll also see why there are big gaps in the rings. Younger kids take delight in using a flashlight and sprinkling powder, while older kids can get more specific with questions about Saturn and how the rocks and ice stay in orbit.

• Do Saturn’s rings give off their own light?
• Why are some rocks and ice chunks more lit up than others?
• Compare the results of light sprinkles to thicker sprinkles.
• Strong flashlight
• Powder (flour, baby powder, etc) in a shaker
• Very dark room
• Darken a room and set the flashlight on the edge of a table or counter, pointing it at a blank wall. Lay the newspaper on the floor between the flashlight and the wall.
• Turn on the flashlight and notice where the light comes from the flashlight and where it hits the wall. You should only see the light from these two places and not from the space between them. This shows you that the light travels through the air without being seen until it hits the wall. The light represents the sun’s light.
• Now to see how Saturn’s rings glow: Hold the powder shaker and sprinkle some powder over the beam of light where you know the light is traveling. You’ll notice the powder lights up and sparkles in the beam of light. The powder shows in glowing clumps, just like in Saturn’s rings.

3. Breaking Down Colors

We all know that the fun, vibrant colors we see in our lives are created by mixing the basic red, yellow, and blue. In this experiment, you and your child will learn which colors make up those fun shades they have in their art supplies. This also teaches some basic chemistry and uses materials you already have at home. It can be done very simply and expanded to create a large-scale investigation if you love it.

• Which colors separate out first?
• Is the same order for each test?
• Which colors make up the original shade?
• Do the different types of color (pen, pencil, paint) separate in the same way or differently?
• Are some separated in a shorter space are the colors the same mixture?
• Coffee filters
• Color sources (markers, colored pencils, paint, etc.)
• A plain pencil
• To complete this experiment, cut the coffee filters into strips, mark one end with a line the same distance from the bottom on each strip.
• Color in each strip (between the bottom and line) with your colors, and write at the top what the color and source are (e.g., purple marker).
• Place each strip in a glass and help it to stand up by folding the top over a pencil (a chopstick, table knife, or any long narrow object will also work) so that it stands up in the glass.
• Fill the glass up to the top of your colored block, and wait. The water will move up the filter, and the colors will separate out as it goes.
• Remove the strip once the water gets near the top of the strip to stop the experiment. 

To make this a true experiment, we recommend testing multiple colors and using markers, colored pencils, and paint (as some starting examples). You could test the same colors from each type of art supply to investigate whether they all use the same mix of basic colors to create the same end product.

This post has a nice full description of the methods if you need more detail.

4. Water Xylophone

This simple experiment will teach your child about sound and pitch using glasses, water, and something to act as a mallet. Don’t let the simplicity deceive you, there are a lot of ways to experiment and learn through this process, and it also brings in an element of music that makes it interesting and engaging.

• Do you think more water makes the sound higher or lower in pitch?
• How do you think the shape or size of the glass will affect the sound?
• How should we arrange the glasses to play a simple song?
• Do you think this will work with a plastic cup, why or why not?
• Some glasses
• Something wood to act as a mallet (we recommend wood so you don’t break the glasses!)
• A great way to start is with glasses that are the same size, shape, and material, and filling them with different amounts of water.
• Have your child use the mallet to test how the amount of water affects the sound.
• From there, it’s a really simple extension to use different sized and shaped glasses (or any glass vessel like jars and bowls) to experiment with how the shape, size, and amount of water in the glass affect the tone. 

To take this one further and really bring in the musical component, you and your child could work out a simple song and create the right tones to play it. If you or your child are musical, you could get very elaborate and creative (try googling harry potter or star wars theme songs on glasses, there are so many options that I couldn’t even choose one)!

5. Ultimate Bottle Flipping

Ah, bottle flipping. The fad that kids can’t get enough of, but parents are well and truly over. The constant thud of semi-filled water bottles being tossed (and hopefully landing upright) is guaranteed to send parents around the twist!

If you can stand it for a bit longer though, there’s a lot of STEM knowledge to be gained in this bottle flipping experiment. As we know, the aim of bottle flipping is to flip a partially filled water bottle underhand and get it to land upright.

In this experiment, kids will learn the importance of observing a result multiple times before changing a variable (the amount of water in the bottle).

• How much water should you put in the bottle?
• What is the ideal amount of liquid to get the perfect flip?
• What should be the ideal amount of water?
• Was their prediction correct?
• Why do they think the amount of water affects the chances of landing the bottle?
• A plastic water bottle
• Measuring jug
• Paper to record results
• Get the kids to start by flipping their bottle with no water in it at all. Kidspot recommends flipping it 50 times for each step, but you could do less if you need to.
• Try it again with 50ml of water.
• Keep adding more water until the bottle is full.

If they’re keen, you could try other types or sizes of bottles, or even try different liquids to see if that affects the results!

6. Rainbow in a Jar

This simple science experiment is not only very visually appealing, but it’s also a great way to learn about the density of liquids. Warning though, this one could get messy so make sure kids are in some old clothes and you might want to take it outside! I like this experiment because you’ll probably have most of the materials in your kitchen already!

• Which liquids they think will be heaviest?
• Which ones will be lightest?
• Why do they think that?
• A glass jar
• Food coloring
• Various liquids like honey, corn syrup, dishwashing liquid, olive oil, rubbing alcohol and water.
• Use the food coloring to make all your liquids a different color. A dropper comes in handy here, but if you don’t have one you can manage without.
• Slowly add each liquid to the jar (pouring into the middle of the jar is best).
• Soon, you’ll have different layers of colored liquid forming your very own rainbow in a jar.

You might even get them to draw a diagram of what they think the jar will look like at the end. They can compare this with the experiment results to see if their prediction was correct.

It might also help to talk to your kids first about what density is and how materials are all made of different amounts of molecules. The more molecules a liquid has, the heavier it will be. Playdough to Plato demonstrates a great way of introducing this concept using marbles. 

7. Write Your Own Secret Messages! 

We love science experiments that are made up primarily of supplies that you likely already have in your home.

• Why do you think this will work?
• Which liquid do you think will make the best secret message?
• Why do people write secret messages?
• Juice (eg. Lemon)
• Lamp (or anything else that can be used as a heat source)
• In order to complete this experiment, you’ll need to gather all of your supplies along with a piece of paper, some q-tips, and a lamp or other item that you can use as a heat source.
• Next, you’ll mix your lemon juice with a slight amount of water. 
• Using your q-tip, use the mixture you’ve created to begin writing your message. 
• Allow it to dry. 
• Once dry, apply heat to it in order to get your message to appear.

Extend this project by attempting to write with a juice and water mixture, a milk and water mixture, or any other variation of the liquids we listed as necessary supplies!

8. Create Your Own Butterfly

Your little ones will love practicing their color mixing by creating their very own coffee filter butterflies. Hang them in the windows of your home to spread some cheer and to watch the sun flow through their beautiful wings! 

• What colors can mix together to make other colors?
• How do butterflies fly?
• What do you think will happen when we add water to the markers?
• Water spray bottle
• Allow your child to draw on the coffee filter to their heart’s content.
• Spray it with water and allow the colors to mix together.
• Allow it to dry thoroughly.
• Once dry, fold it like a fan and then clip it in the middle.

Ta-da, you’ve created a beautiful butterfly! 

9. Make A Duck Call

Give your family an excuse to head outdoors by allowing your children to craft their own duck calls. Test them out at a local pond and see if you can get the ducks to come closer to you for a healthy veggie snack! 

• Do you think ducks will be able to hear us with this?
• What other materials do you think could make this noise?
• How is what we have created similar to a duck’s beak?
• Plastic straw
• Push down on the straw to flatten one end and then cut the flattened end into a point.
• Flatten out your straw and then blow into it.
• Feel free to experiment with different amounts of flattening and different point shapes to see how you can adjust the sound.
• When finished, take your duck call into the wild to test it out.

10. Make Ivory Soap Boats

Did you ever carve items out of soap at camp when you were a child? Give your child the same opportunity. Soap can be carved using safe items, like plastic knives. 

• Why are we able to carve soap so easily?
• Do you think our boats float?
• Why do you think they float or sink?
• Carving tools (for kids)
• Allow your child to express their creative side by carving their boat out of soap. 
• Once they have finished carving it, allow them to test them out in the bathtub. . Extend their learning by discussing density with them–the soap floats because it is less dense than the water.

11. Make Your Own Quicksand 

As John Mullaney famously said, “I thought quicksand would be a much bigger problem in my adult life than it would have turned out.” For some reason, quicksand permeates children’s adventure stories – and their imaginations! 

• Where can we find quicksand in real life?
• How do you think quicksand works?
• What do you think we will need to make our own quicksand?
• Cornflower (one cup)
• Water (half cup)
• A container
• To make your quicksand, you’ll need to mix the cornflour and water. 
• Be sure to stir slowly in order to demonstrate – if you stir too quickly, it will become hard and you won’t be able to see it function the way it should!

12. Make Your Own Lava Lamp

We’ve tried this one in our classrooms, and trust us, our kids go wild year after year. Kids love making something that they can use as home decoration, and they love how easy it is to show new people – this is the experiment that lives on and on! 

• How do you think density is involved in this experiment?
• Why don’t the water and oil mix?
• Why can’t we shake our lava lamps?
• Clear Plastic Bottle
• Vegetable Oil
• Food Coloring
• Alka-Seltzer
• Pour water into the plastic bottle until it is approximately one quarter full. 
• Then pour vegetable oil in until the bottle is almost completely filled. 
• Allow some time for the oil and water to separate. 
• It is important that your children do not shake the bottle in this step. It will extend the experiment for no other reason than you waiting for the bubbles to dissipate. 
• Add as much food coloring as your child deems fit and then drop a piece of Alka-seltzer tablet into the bottle for the lava lamp fun to begin.

13. Guess the Smell

This one will take a little more prep work, but it’s a great touchstone for your children to begin discussing one of their five senses: the sense of smell! 

• What are examples of times we use our sense of smell?
• What other senses do we have?
• If you could only use one sense for the rest of your life, which one?
• Plastic Cups
• Smells (eg. coffee, cinnamon, vanilla, lemon juice)
• Place a variety of common smells in small plastic cups. We like to use coffee, cinnamon, vanilla, and lemon juice. 
• Pour these in and place tin foil securely over the top of the cup. 
• Poke small holes in the top of the foil. 
• Secure the foil with tape (on the sides, not over the holes). 
• Allow your children to guess the smells and record their findings on paper.

Home Science Experiments that take 1 to Several Hours

14. mangrove bioshield  .

Ecologists and conservationists are pushing for more regulations in building and saving mangrove forests around coastal areas. The reason is represented in this STEM activity. The trees act as a mangrove BioShield (bio = life, shield = protection), showing how natural obstacles can prevent critical damage from marine natural disasters such as tsunamis.

The mangrove BioShield can be for older elementary kids through to high school. Obviously, the younger they are, the more parent involvement. This experiment is done twice to show the effects of having and not having a BioShield. The first part uses little to no trees, and the second uses a forest of trees and rocks.

• What will happen in a tsunami if the village is without a BioShield? And the village with a BioShield?
• Would a BioShield help with hurricanes?
• Would you want to encourage people to save manatee forests if they are beneficial?
• Medium to large clear, plastic container
• Newspaper – wad into balls, then cover half of the bottom container – this help to keep the ground sturdy
• Mud – cover the newspaper and press it in to form a slope down to the empty side of the container. The top side should be flattened for the cardboard houses, then it slopes down into the empty half of the container.
• Cardboard houses (use the bottoms of milk cartons for the house and popsicle sticks for the roofs, place houses on the mud towards the top of the high slope
• Model trees or leafy stems from plants – Different amounts for activity 1 and activity 2
• Several small rocks
• Cardboard – long enough to fit across the container and tall enough to hold it from out of the water
• Water – enough to go halfway up the slope

A tsunami without the mangrove forest – insert only one or two trees down the slope. Place the cardboard piece into the water end of the container and move back and forth to create waves. Notice how easy it is for the water to destroy the village you’ve created.

Repeat the process of constructing the village, but this time insert a lot of trees down the slope to where the water meets the mud. They need to be deeply rooted like mangroves, and I’ve found that aquarium plants work well for this reason. Place the rocks within the mangrove forest and in front of the trees. Add a little bit more water. Insert the cardboard again and move it back and forth to create waves.  

15. A Greater Crater

When you look at the night sky and see the moon, one of the first things you notice is its craters. The moon is completely covered in them, and some are so large we can see them from Earth. Meteorites often make the craters that we see when they hit the surface, but it makes us wonder why some craters are so much bigger than others.

This experiment will help you to investigate one of the main reasons why craters come in different sizes.

• What causes craters?
• How big do the meteorites have to be to make a crater?
• What is it about the meteorite that causes the size of the crater?
• Paper to record your results
• Flat floor surface for the experiment, large enough for the newspaper to cover
• Shallow metal pan at least 2 inches deep
• Flour to fill 2 inches of the pan
• ¼ cup hot chocolate powder
• Mesh strainer or flour sifter
• Large marble (and others of varying sizes if comparing results)
• Metric ruler
• Tongs or long tweezers
• Pour the flour into the pan until it reaches 2 inches. Place the pan on top of the newspaper on a level surface.
• Sift a layer of hot chocolate powder over the flour (this is so you can better see the rays and other features of the craters).
• You will be dropping your marble from three different heights, then comparing the sizes of the craters. Measure the diameter (side to side) of the marble and record this on your paper as Marble 1. Hypothesize how large the crater will be and write that next to the diameter of Marble 1.
• Stand next to your pan and hold the marble at knee height above the flour. Drop the marble (do not throw it, just let it fall from your fingers) into the flour and study the shape of the crater. Look for a rim around the crater or any rays coming from the edges.
• Measure across the widest part of your crater, from rim to rim and record on your data sheet as Marble 1 – Knee Height – Width or something similar. You can also draw a picture of your results.
• Very gently use the tongs or long tweezers to remove the marble without destroying the crater.
• Repeat this procedure from waist height, shoulder height, top of head height. Make sure you aim in different parts of the flour so you don’t land on top of another crater. Record all of your results as the different heights you’re using.
• Compare your results.
• You can try again with a different sized marble as “Marble 2” to compare those results with each height as done with Marble 1.

Perhaps now, you’ll look at the moon a little differently!

16. Rube Goldberg Chain Reaction Machine

We’ve all seen them, some pretty far-out there chain reaction machines to complete simple tasks, usually in movies. But they are real , and are becoming even more popular now that we’re all stuck at home for a while. This is a fun way to explore physics with stuff you have at home.

Ask your child to decide what the end goal is (e.g. get the ball into the cup), and ask them to think about creative ways to make it get there. Working together, you can start with small pieces of a circuit to find out how your ball reacts to the set-up, and grow it from there. You can even refer to this video for more ideas:

• What will happen when the ball bounces off of this wall?
• How will these dominoes change the speed of the ball?
• What can we use to make sure that the ball goes in the direction we want it to at this point?
• What should we put here to get the best bounce? 
• Paper towel
• Toilet paper tubes
• Fixed objects like walls or furniture
• Any other toys and materials that can be used to build your circuit

To make this a true experiment, it needs to include more than a one-off demonstration, and there are a lot of ways to accomplish this.

• Set up parallel courses and use different sized or weighted balls to go through the circuit.
• Set up one elaborate circuit and use different objects one at a time.
• Set up circuits in different ways to see how different set-ups affect your end goal.

Another experimental component is the process used to create a circuit that reaches your end goal ( like this video about getting the ball into the cup, but you could come up with lots of other endpoints!). Along the way, you and your child get a lot of time to learn about momentum, velocity, friction, energy transfer, and interference (e.g., the cat). 

17. Melting

This is a simple and fun experiment that can be set up in a short time and then fill-up your day with observations and new experiments. Using only things you already have at home, you can set-up an engaging experiment with your kids!

Ice melts at different rates depending on a variety of factors including temperature, pressure, and if there are impurities (think salt, sugar, dirt) in the ice or touching the ice. There is a lot of opportunities to get creative and do the experiment in multiple ways, keeping your kids engaged and developing their investigative, experimental, and critical thinking skills.

• Which ice melts the fastest, slowest, and if they have any guesses about why?
• What other ice-melting experiments they think would be fun: Using different temperature liquids? Using different amounts of ice? Different sized cups?
• Lots of ice
• Several matching cups (i.e., they are the same size, shape, and color)
• Measuring cups
• A variety of liquids for the test
• Paper for writing down observations
• Measure the same amount of ice and place it in each cup.
• M easure equal amounts of each liquid and place them in the cups: try to complete this part quickly so that the ice in each cup is in liquid for as close the same amount of time as possible.
• Set up your cups in a place that is easy for your child to watch and observe.
• Ask them to check in at regular intervals (every 15 minutes, every hour) and record or talk to you about their observations.

Other potential experimental examples:

• Using different liquids to test if they affect melting time;
• Using the same liquid and placing ice in different locations to test what conditions throughout your home affect melting;
• Test if different amounts of ice melt at different rates;
• Test if different kinds of cups change melting time.

There are endless possibilities for you to come up with new ways to complete these simple experiments. You get the idea. Explore more!

18. Breathing Leaves

Science experiments don’t get much more simple than this one!  It’s effective though and kids will enjoy watching their leaf ‘breathe’. Learning about plant science is often tricky because it can seem a bit abstract. This experiment allows kids to see the process of plants making oxygen right before their eyes!

A question to ask beforehand:

• What do you think will happen if we leave it for a few hours?
• A fresh leaf from a tree
• A bowl of water
• Pluck a fresh leaf from a tree and place it in a bowl of water.
• Use a rock to weigh it down and leave the experiment out in the sun.
• Have your kids predict what they think they will see when they come back in a few hours (they can write their prediction down or draw a diagram if that’s more their style).
• After a few hours, your kids will see lots of tiny little bubbles on the edge of the leaf and in the glass bowl of water (use a magnifying glass to get a closer look if you have one).

So, what’s happening here? Leaves take in carbon dioxide and convert it to oxygen during photosynthesis. The bubbles you can see are the leaf releasing the oxygen it’s created. You could explain to your kids how trees and plants make the oxygen we need to breathe. Kids Fun Science explains this experiment in more detail and suggests taking it further by leaving the plant for a longer period of time (do you see more or fewer bubbles?) or placing a leaf in a dark area to see what difference that makes!

19. How Does Sunscreen Work?

If there’s one thing I know, it’s that kids hate wearing sunscreen! Trying to get it on them is like wrestling a crocodile. Maybe if they knew how sunscreen worked they’d understand how important it is to wear it when they’re out in the sun (and be slightly more cooperative when we’re lathering it over their little faces). This is a simple experiment that shows kids the difference wearing sunscreen will make to their skin.

• What do they observe when they come back?
• Why do they think one side faded and the other not?
• A piece of colored cardboard (a dark color would be best)
• Your usual bottle of sunscreen
• Have your kids smear the sunscreen over one part of the cardboard and leave the other part clear.
• Kids can then predict what they think will happen when they return to the experiment after a few hours.
• Talk to them about how the sun’s UV radiation is absorbed by the sunscreen so it can’t get through to damage the cardboard.

You could even take it further by trying different kinds of sunscreen or leaving your cardboard out during different times of the day.

20. Make A Rubber Egg

Imagine a world in which eggs can be used like bouncy balls. Well, with a couple of home supplies and a little bit of science, you can live in that world. Your child will be dazzled as they remove eggshells from eggs while leaving the insides intact. 

• Is vinegar an acid or a base?
• Is there another substance that could do this?
• Simply leave the egg in the vinegar for a few hours and wait to see what happens. Because of the transformative nature of this experiment, it lends itself to science journaling. 
• Consider having your kiddos draw before and after pictures of the eggs in order to track their journeys. 

21. Flying Tea Bags

Nothing will get your kids’ attention faster than telling them that you are going to spend some time creating something that will fly. However, because this experiment will involve fire, please ensure that you select a time in which you will be able to provide ample adult supervision. 

• How do we stay safe with fire?
• How do we make sure we don’t damage the surface we are working on?
• Why do you think the tea bag will fly?
• Single Serving Tea Bags
• A Small Bowl
• A Non-Flammable Work Surface
• First, open the tea bags and unfold them. 
• Empty the leaves from the bag. 
• Stand the tea bags up on your surface and light the top of each bag on fire. 

As they begin to burn, they will float into the sky! 

22. Make Wax Paper Lanterns

Your children will love the chance to display their fantastic art skills by creating these paper lanterns. If you want to add a culture lesson, have your children research German’s St. Martin’s Day and learn about why children parade through the streets with lanterns. We promise there’s a good moral story involved here! 

• When could we use lanterns?
• What safety considerations do we need to use in this project?
• Why can we see the light through the wax paper?
• Popsicle Sticks
• To begin, tear a ten-inch piece of wax paper off of the roll and cut it in half. 
• After that, fold each piece in half. 
• Allow your child to color their image on top of the wax paper. (This is a great place for an impromptu lesson in color mixing). 
• Fold the wax paper and iron it (consider something in between the crayon mess and the iron you use on your clothes). 
• Finally, glue the craft sticks into squares, add the wax paper, and turn it into a cube.

Voila, you’ve created your own lantern!

23. Create an Insect Habitat

Alright, this one isn’t for the faint of heart. Draw up your courage and send your child into the backyard to collect all of the creepy crawlies they’d like to.

Now you have a home for them. Better yet, you can keep your child entertained for hours as they track the growth of their bug friends.

• What do bugs need to survive?
• What do bugs eat?
• What is the difference between a need and a want?
• Imagination
• Find something that you’re willing to sacrifice to the bugs in order to create a habitat for them – we recommend a shadowbox so that your child can see inside, but a cardboard box will do just fine as well. 
• Ensure that there is breathing room for the bugs. 
• Create a habitat with sticks, bark, small rocks, dried leaves, and whatever else you can find.
• If you’re willing to hang onto the habitat long enough, use it as an opportunity to talk about decomposition as the bugs begin to break down the twigs.

Long-Term Science Experiments at Home

24. crystal kingdom.

This is the oldest trick in the book, but it’s popular because it’s so effective, fun, and has great results. The only drawback to most crystal-growing recipes is that they take ages to grow, and to be quite honest this one is no exception. In fact, these crystals will take several days to grow but the end result is worth it. The reason is that this experiment involves growing a whole landscape of beautifully colored salt and bluing crystals. Here’s a video for visual reference: 

A few things to keep in mind: Allow for plenty of air circulation, preferably inside rather than outside. Ammonia is not necessary but does help in the process.

• What will happen when you add ammonia?
• Why does more salt and less liquid create faster crystallization?
• What part does the bluing solution have in crystal growing?

(Answers can be found here )

• Two bottles of bluing solution
• Large tray/cookie sheets with sides
• Measuring cup
• Liquid watercolors
• Eye droppers
• Cut sponges into large pieces. Spread them out on the tray.
• Measure out 1 cup of each of salt, water, and bluing and then gently mix together.
• Evenly coat or sprinkle the mix over the sponges.
• Add 1 cup of ammonia to the sponges.
• Coat an extra 1 cup of salt on to the sponges.
• By now you’ll see some crystals growing . Sprinkle the magic mix again: 1 cup each of salt, water, and bluing. You can pour the ingredients onto the tray instead of on top of the crystals to keep them from breaking. Don’t worry, more will grow!
• Take an eyedropper, and drop a tablespoon of each liquid watercolor (undiluted) in different patterns over the sponges and crystals.
• Take note of your garden and what the crystal formations look like. You can make a sketch in your notebook as a before and after. Ask questions and observe!
• Observe how the crystals are bigger than before, and notice the colors aren’t as vibrant. Compare the differences in shapes, sizes, and colors.
• If you want more crystals to grow, add a little more water, bluing, and salt.

25. Blow up a Balloon with Yeast

We are surrounded by science in action, but sometimes it is really difficult to see what is happening, especially when it is on a small-scale. When we make bread, yeast ‘eats’ the sugars in the food and creates CO2, giving bread its airy texture. This experiment lets you both visualize what happens when yeast consumes sugar and is a great set-up for an experiment that can be observed throughout the day.

Depending on your supplies and time, you could start with a demonstration and use that to think of other tests, or you could set up several parallel tests at the same time.

• How quickly does the balloon filled with air?
• When does it stop filling (at some point the yeast will run out of food and will stop making gas)?
• Does the starting temperature affect the experiment?
• Does the balloon fill faster in different places in your home (try especially for different air-temperatures, you could include an outside location)?
• Some balloons
• Blow up the balloon a few times before starting so that it’s loosened up a bit.
• Fill the bottle with about 1 inch of warm water (heat is required to activate the yeast, but you could experiment with different temperatures), add the yeast and swirl to dissolve.
• Add the sugar and swirl more.
• Place the balloon over the opening to the bottle and wait. You should expect to see the balloon begin to inflate after around 20 minutes.
• Continue checking and observing how much the balloon inflates throughout the day.

More example experimental setups include:

• Do different temperatures – either with the water you start with or the air the yeast lives in – affect how quickly the balloon blows-up?
• Does using 2x the yeast result in a balloon that is 2x bigger, or blows-up 2x faster?
• Do different types of sugar (e.g., white sugar, honey, syrup, flour) affect how quickly the balloon blows up or how big it gets?

A sk your child to think of new experiments (you could prompt with some of the examples above, or ideas from this post ). 

26. Seed Germination

A really simple but fun multi-day experiment is germinating seeds under different conditions. This means finding some quick-sprouting seeds such as beans and putting them in different conditions to see how that affects germination (sprouting leaves and roots) and growth.

I love using seed experiments because they are inexpensive, simple, and leave a ton of room for creating your own unique experiment.

• Which seed will sprout fastest?
• Seeds (Beans, radishes, squashes, and many flowers sprout quickly from large seeds, making them good choices.)
• Small pots or paper cups
• Potting soil
• Cloth or paper towel
• Somewhere with good light
• To get started, you’ll need some seeds – feel free to choose something you already have, if you’re a gardener you might have some seeds ready for the coming season and could spare a few – or find something online or at your local nursery.
• Use small pots or paper cups and fill each with your growth material (we recommend a minimum of 3 for a useful comparison).
• Fill one with potting soil, one with sand, and one with a cloth or paper towel.
• Place them somewhere with good light, and add water.
• Ask your child to predict which seed will sprout fastest, and make observations every day. If possible, make them around the same time each day.
• Once you see growth, you can ask your child what they think caused any differences, and you can use that as a jumping-off point for more experiments

Additionally, you could:

• Use one type of seed and different types of growth media: soil, paper towel, gravel, sand, water, etc.
• You could use different seeds (beans, flowers, grass, herbs) and grow them under the same conditions (soil, water, sun exposure) to see how different plants grow differently.
• You could see how different light conditions (by a window, in the basement, in a bright room away from a window, etc.) affect germination.

You could also extend each experiment by simply continuing to grow each seed to learn whether the different germination time affects long-term growth (you may want to re-pot everything in the soil for this to be effective, depending on the specifics of your initial experiment).

27. Colored Celery

It’s hard to imagine plants having little capillaries inside them that transport water and nutrients, but this experiment shows that in action. It’s easy to set up, but you’ll have to wait at least a day to see some results. Your kids will be able to see how transpiration takes place and plants absorb water from the soil all the way up into their leaves.

• A few stalks of celery (celery works best for this because it’s a bit more visible, but you could also use flower stems)
• Different food coloring
• Place each stalk in a cup of colored water and make your predictions about what will happen.
• After a day or so you’ll see the celery leaves becoming the color of the water they’re standing in.
• Have your kids describe their observations (they can write down what they see or draw it if they prefer).
• If you look at the base of the stem you’ll also see tiny little holes that the colored water is traveling through.

When you’re done with the experiment, make sure you snap the celery and look inside – you should be able to see the capillaries in action. For more ideas, Little Bins for Little Hands has got some great hints and tips for this experiment.

28. Moldy Bread

This experiment is an oldie, but a goodie! Kids love looking at disgusting things and this one will certainly come up with the goods. Not only will kids learn about how mold grows, but they might also take on some lessons about the importance of washing their hands!

You might want to check out the results of this experiment at Science Alert before you start to see if your stomach is up to it.

• A few slices of bread
• Some ziplock bags
• Sticky little hands. 
• Get a few slices of bread and lay them out on your kitchen bench.
• Have your kids touch one piece of bread with dirty, unwashed hands.
• They can wash their hands with soap and water and touch another slice, then do the same using hand sanitizer.
• Leave one piece of bread untouched.
• Place them all in clear, labeled ziplock bags and predict which one will grow the most mold.
• Leave your bread slices for at least a week (it may take a bit longer, depending on the conditions where you live) and get the kids to record their observations.

You can also try wiping your bread slices on other surfaces to see what moldy results you get (their laptop or tablet is a great place to start)!

29. Sprouting Beans

Give your household a real survivalist feel by beginning an indoor garden. We recommend planting your beans in a clear cup so that your children can be privy to all of the processes during the plant’s journey.

• How does a plant grow?
• What does germination mean?
• What is in season to grow in our area now?
• Unprocessed Beans
• If you’d like your child to see every step of the process, consider placing the beans inside of a damp paper towel inside of a ziplock. 
• You can wait, see the germinated seed together, and then plant it inside of a small cup.
• Once inside the cup, watch it grow.

Extend your work by planting various beans and altering the growth conditions in order see what makes your beans grow best! 

30. Begin Composting

Begin your “go green” resolutions by teaching your child the value of composting! Best of all, once the science experiment is done, your family will have a recycling process that will last your entire lifetimes. 

• Why is composting important?
• How else can our household go green?
• Why do we need a foundation layer for compost?
• Compost Bin
• Organic Material
• First, create a compost bin. You can purchase one or build one out of wood. 
• To begin your composting, you’ll need even amounts of brown materials (think shredded paper, dryer lint, etc.) and green materials (think fruit and vegetable waste, lawn clippings, etc.). 
• If you’re really feeling fancy, throw some earthworms in there.

For days to come, your family will be able to discuss what can and cannot be broken down by the decomposers inside of the compost bin. Never-ending science! 

31. Turn Grapes Into Raisins

Your kids may or may not eat raising – but we can guarantee you, they’ve likely never considered the option of creating their own! 

• What other snacks can we make with science?
• Should we ever eat our experiments?
• How does this work?
• For this experiment, you’ll need grapes. (Really, that’s it!) 

Leave your grapes somewhere where they will not be disturbed and use this as an opportunity for your children to journal the changes in the grapes from day to day. Believe it or not, this type of sequential journaling is a valuable literacy skill! 

32. DIY Science Experiment

The best science experiment your child can engage in is the one they create themselves! Begin brainstorming a list of questions and let the world be their oyster as they plan and carry out their own experiments. Some of our favorite brainstorming questions, from Scholastic’s Science-Fair Project Guide, are listed below:

• What is the effect of toothpaste brand on teeth-cleaning power?
• What brand of trash bag can withstand the most weight before ripping?
• How does the type of material affect how long a shirt takes to dry?

Written by Miranda Altice, Kaitlin Anselmo, Mark Coster, Allison Ebbets, and Jodie Magrath.

Mark is the driving force behind STEM Geek. With 20 years of experience in chemistry education and research, and 3 willing children as guinea pigs, Mark has a passion for inspiring kids and adults to combine fun and learning with STEM Toys!

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65 Science Experiments for Kids: Have a Blast at Home

Is your kid bored at the weekends or while on school vacation? Are they couch potato-ing in front of the TV again? I know a brilliant way to keep your child entertained and engage their brain: science experiments.

Whether your child is intrigued by the thought of Imploding Cans or a Lemon Volcano, I’ve put together a list of 65 dazzling science experiments for kids! No need for a fancy science lab — you can do these all from the comfort of your home.

I’ll let you know exactly how to carry out each experiment. Gone are the days when there was nothing to do. Now you have 65 theories to test out!

Easy Science Experiments Kids Will Enjoy

Safety tips, faqs about science experiments for kids.

From making a cloud in a bottle to homemade bouncy balls, here are 65 easy science projects for kids to try. Plus, most use household items, making this a cheap way to pass the time.

1. Cloud in a Bottle

Tightly secure the lid on an empty plastic water bottle. Twist the bottom of the water bottle as tightly as possible. This will compress the air and push all the molecules inside together.

When you open the water bottle, the molecules expand, releasing the pressure and creating an instant cloud.

2. Floating Fish

Learn about solubility and density with this fun experiment. On the bottom of a glass plate, draw the outline of a fish with a dry-erase marker.

After a couple of minutes, slowly pour tap water into the corner of the dish until it covers the plate. The water will move towards the fish drawing, surrounding it. Tilt the plate from side to side and watch as the fish drawing starts to float!

3. Lava Lamp

Learn about density and make a lava lamp at home. Add two inches of baking soda to the bottom of a jar, then fill the rest with vegetable oil until full. These two ingredients won’t mix.

Combine ¼ cup of vinegar with a bit of food coloring in a separate cup. Mix together before pouring the solution into the jar with oil and baking soda.

Turn off the lights and shine a flashlight on your lava lamp!

4. Foamy Fountain (Elephant’s Toothpaste)

In this experiment, kids will make foam with a few household ingredients. In scientific terms, this is called an Exothermic Reaction.

Pour ¾ cup of hydrogen peroxide into a bottle. Add 10 drops of food coloring and one tablespoon of dish soap. Swirl it around to mix.

Combine three tablespoons of warm water and one tablespoon of dry yeast in a separate cup. Mix for 30 seconds.

Use a funnel to pour the yeast-water combination into the bottle and watch it fantastically foam!

Don’t touch the foam. We know it’s tempting, but it contains peroxide, which can irritate your skin and eyes.

5. Magic Milk

Pour whole milk into a shallow pie dish with a flat surface. Add a few drops of food coloring to different parts of the dish. You can use tons of different colors!

In a separate bowl, pour some dish soap. Dip a cotton swab into the dish soap and gently touch the surface of the milk with the swab.

The soap will lower the surface tension of the milk, and the colors will burst and swim around.

6. Egg in a Bottle

Did you know you can fit an egg in a bottle without breaking it? Firstly, boil and peel your egg. Then grab a glass bottle (no plastic!) and ensure that the opening is smaller than the diameter of the egg.

With an adult’s help, light three matches and drop them into the bottle. Place the egg at the bottle’s opening with the wide end pointing up. The egg will slowly squeeze into the bottle as the fire goes out!

7. Floating Ping Pong Ball

Levitate a ping pong ball with Bernoulli’s Principle! Make a paper funnel using thick card. With a grown-up’s help, cut a small hole in the bottom of the funnel.

Insert a straw into the bottom of the funnel and secure it in place with putty or tape.

Add a ping pong ball (or DIY foil ball) into the funnel and put the long end of the straw in your mouth. Blow into the straw and watch the ball levitate because of the high speed and low-pressure air.

8. Imploding Cans

Fill up a few empty soda cans with a bit of water. Then, fill up a large bowl with ice cubes and water.

Heat a flat frying pan on the stove and carefully stand your cans on the frying pan until they are hot. Using tongs, transfer the hot cans one at a time into the ice water.

When the cans drastically change temperature, they implode on themselves and crush inwards.

This is one for parents to do and kids to watch. It’s not safe for kids to do on their own.

9. Eggs and Toothpaste

Learn about the power of toothpaste in this shocking science project for kids. Fill up four glasses, two with soda and two with lemon juice. Then cover two eggs in toothpaste and pop one into a soda glass and another into the lemon juice glass.

Next, place two more eggs into the remaining glasses. This time, they’re not covered in toothpaste. Leave all the eggs in the glasses for 12 hours.

Once the time is up, remove the eggs, rinse under cool water, and pat dry. You’ll notice that the eggs covered in toothpaste feel and look different than those without. This emphasizes the significance and protective abilities of toothpaste.

10. Black Pepper Trick

Teach kids about surface tension and the power of soap in this fun and easy experiment. Pour a thin layer of water onto a plate. Pour a bit of ground pepper all over the water’s surface.

Then pour a tiny amount of dish soap onto your finger. Dip your finger into the water, and you’ll notice the pepper quickly zoom away from your finger.

Need something for your science fair project? People will love watching this one in action!

11. Ice Cream in a Bag

Have fun and try something yum! Pour four ounces of milk and cream, ¼ teaspoon of vanilla, two tablespoons of sugar, two teaspoons of vanilla, and food coloring (optional) into a zip-bag and ensure it’s securely closed.

Place the bag into a larger zip-bag and fill it with ice and a small handful of salt to surround the smaller bag. Zip it shut and hold either side while shaking back and forward for about five to eight minutes.

Yes, your arms will be tired. But in the end, you’ll have ice cream! Open the large bag and remove the smaller bag. Rinse off salt from the bag and open it up. It’s ice cream time!

12. Magic Melting Skittles

Grab a plate and line up Skittles around the edge of the bowl. Pour a little bit of boiling water into the plate to surround the bottom. Watch as the colors from the Skittles slowly melt off and swirl together on the plate.

This experiment has endless possibilities. Try it with different colors and shapes on the plate!

13. Bouncy Egg

Turn a raw egg into a bouncy egg! Simply place the raw egg (uncracked) into a glass. Cover it completely with distilled white vinegar and leave for 24 hours. After 24 hours, you can gently scrape off the eggshell, and you’re left with a squishy, bouncy egg.

14. Grow an Avocado Tree

Wash an avocado pit and insert four toothpicks halfway up the side, on all sides. Suspend the pit over a jar and fill the container with enough water to submerge the lower third of the seed. Make sure the broad side of the pit is facing down.

Keep the jar in a warm place out of direct sunlight and change the water every few days. After a few weeks, roots and sprouts should start appearing.

When the sprouts are about six inches, cut it back three inches. This will encourage more growth. When the stem has grown back again, plant the avocado pit in a 10-inch pot with soil, and voila! Your avocado tree will grow.

15. Make Slime

This exciting experiment will provide days of fun! Mix together ¼ of water and ¼ cup of white school glue in a bowl. Add a few drops of food coloring.

In a separate bowl, combine ½ tablespoon of Borax and another ½ cup of water. Stir to combine. Add the solution to the glue mixture, and enjoy playing with the slime!

16. DIY Rock Candy

On the stove, combine a 1:3 ratio of water and sugar. Bring it to the boil.

Let it cool for 10 minutes before transferring to a large glass or jar. If you want colorful rock candy, add food coloring to the solution and stir.

Pour half a cup of sugar onto a plate. Dampen a wooden skewer in water and roll it around in the sugar. Then place the skewer into the glass jar and secure it in place with a clothespin so it stays in the middle of the jar.

After five days, your rock candy will have formed. Use a skewer to break the piece of rock candy out of the water. Place it inside an empty jar to dry, and yum! You have your own rock candy.

Ask for an adult’s help for this one since you’ll be using high heat.

17. Baking Soda and Vinegar Balloon

Baking soda and vinegar can blow up a balloon without any help from your lungs. Using a funnel, pour about ¼ cup of vinegar into a bottle (with an opening small enough to stretch the mouth of a balloon over).

Put the mouth of the balloon over the funnel and add one tablespoon of baking soda to the balloon. Stretch the balloon over the bottle’s mouth and empty the baking soda into the bottle.

Watch as the balloon fills up with air. More technically, it’s carbon dioxide because that’s what happens when you combine baking soda and vinegar.

18. Frozen Bubbles

Blowing bubbles can be even more fun when the temperatures are below freezing. The bubble solution can freeze on the spot! You can do this with a bubble solution and a bubble wand — wave it around to produce bubbles.

The bubbles will either freeze mid-air, once they fall to the ground, or even while they are still attached to the wand.

Another option is to pour the bubble solution onto a plate or shallow bowl. Use a straw to blow a bubble into the solution. The bubble will slowly freeze, forming ice crystals.

You can pop the bubble and notice how it shatters and crumples rather than disappears like a normal bubble.

19. DIY Phone Speaker

When you don’t have your own Bluetooth speaker, you can easily make one with paper cups and toilet roll tubes. On the toilet roll tube, cut out an opening on one side that will fit the bottom of your phone.

On the paper cups, cut out a small opening to fit the end of the toilet roll tube through. Connect the pieces together, choose your favorite song, and insert your phone speaker into the toilet roll tube.

The system will naturally amplify the sound from the phone! Dancy party time.

20. Invisible Ink

Reveal hidden messages with this science project for kids. Pour ⅓ cup of baking soda and ⅓ cup of water into a bowl. Mix together before adding a cotton swab into the solution and writing a secret message onto a card.

Pour 100 percent grape juice into a cup. Dip in a paintbrush and paint over the secret message to reveal it. This is a great way to teach about acids and bases.

21. Milk Bottle Xylophone

Make music with items you already have in the house. Line up six glass bottles and pour a different amount of water into each jar.

Make music by tapping a metal spoon on each jar. Notice how the amount of liquid in each jar changes the sound waves and vibrations, resulting in a higher and lower pitch.

22. Dancing Raisins

Fill a clear glass with clear soda and fill another glass with water. Place a few raisins in each glass and notice how the raisins dance in the soda liquid but not in water. This is because the gas bubbles carry the raisins up, and when the bubbles pop, the raisins sink again.

23. Exploding Lunch Bag

This chemistry test is a great way to add excitement to a dull Saturday morning!

Fill a zippable lunch bag with ¼ cup of warm water. Add ½ cup of distilled white vinegar. Zip the bag shut.

Place a piece of tissue or paper towel down and pour three teaspoons of baking soda onto the middle. Fold the tissue over itself.

It’s time to be speedy! Open the zippable bag enough to add the baking soda tissue.

Once you’ve added it, quickly shut the bag, put it on the ground and step back. The bag will begin to expand and eventually… BOOM!

Do this experiment outside. You don’t want a mess on your living room floor!

24. Lemon Volcano

Let’s make citrus volcanos! This is a great one for science fair projects.

Cut the top and bottom off a lemon and carve out the insides. Add food coloring to the inside and fill the lemon with baking soda. Mix with a knife and watch as the baking soda starts to fizz out.

You can also try this with different citrus fruits, like an orange or grapefruit. Make it with different colors to have a rainbow volcano collection.

25. Walking Water Rainbow

Place seven identical jars or glasses in a row or a circle. Fill every second jar ¾ full with water, so jars #1, #3, #5, and #7 have water.

Then add a big squirt of red food coloring to jars #1 and #7, yellow to jar #3, and blue to jar #5. Jar #2, #4, and #6 will remain empty.

Fold six paper towels in half (hot-dog style), then in half again, making long, thin pieces of paper towels. Fold each paper towel in half (hamburger-style), so they make a tent shape.

Then place one end of the paper towel in the first cup and the other half in the second cup. Repeat with each paper towel.

Each cup should have two paper towel ends inside unless your cups are in a row. In that case, the first and last cups will only have one paper towel end inside.

After a couple of hours, the paper towels will have soaked up the food coloring using a capillary action. The colors mix together to create the shades of the rainbow: red, orange, yellow, green, blue, indigo, and purple.

26. Rising Water

Fill a shallow bowl with enough water to cover the bottom. You can add food coloring for more fun!

Place a tealight candle in the middle of the water and light it. Quickly place an empty glass over the candle.

The candle will gently burn out while water rises into the glass. This is a great way to teach Charles’s Law, which conveys how when temperature decreases, the volume does, too, allowing water to rise and fill the empty space.

Get an adult to help with the Rising Water experiment, since it involves fire.

27. Bend Water

Run your kitchen or bathroom tap with a very thin stream of water. Blow up a balloon and create static by rubbing it against a towel or your hair. Hold the balloon close to the water and watch as the water bends towards the balloon.

28. Citrus Pops Balloons

Limonene, a component in citrus, has the ability to dissolve rubber, which is a component of balloons (1) . Therefore, when you squirt citrus onto a balloon, it pops!

Blow up a few balloons. Peel an orange, ensuring you have large pieces of the peel to hold.

Hold the peel a few inches from the balloon, with the rind side facing the rubber. Quickly squeeze the peel so the liquid squirts onto the balloon, and it should pop!

Something To Note

Not all balloons will pop through this experiment. If the balloons are made from natural rubber, they will most likely pop easily. But if the rubber is vulcanized, it’s more durable and harder to dissolve.

29. DIY Compass

Never get lost again! To make a compass, stroke a strong magnet down one length of a sewing needle 50 times. Then flip the magnet and the needle, and repeat on the other side.

Cut a cork so it’s about 1.5 centimeters thick. Push the needle through the cork — you may need to use pliers, so ask a parent for help.

Next, fill a bowl with a few inches of water. Place the cork into the water, and it should point North.

30. Sink or Float

Take note of which ones sink and which ones float. Can you determine why?

31. Optical Illusions

Optical illusions are an incredible way to confuse your brain using your eyes. Why not get a book of optical illusions for your kids to flick through all summer? This will keep them entertained — and amazed.

32. Pumpkin Volcano

Cut a hole in the top of a pumpkin and clean out the insides. Pour ¼ cup of baking soda into the pumpkin with a squirt of dish soap and watch the pumpkin start to foam from the top!

33. Create a Marshmallow Catapult

Stack up six popsicle sticks and tie them together with a rubber band on either end. Then tie a wooden spoon and another popsicle stick together at the bottom end of the spoon. Push the large stack of popsicle sticks between the spoon and the second stick until it’s halfway down.

Secure it together by making an “X” with a rubber band where the two sticks meet. Then put a mini marshmallow on the spoon and pull it back slightly.

The marshmallow should fly through the air! If not, adjust your mechanism until it can catapult the marshmallows.

34. Make Ginormous Bubbles

Make the biggest bubbles your eyes have ever seen! Mix together six cups of distilled or purified water with ½ cup of cornstarch.

Add one tablespoon of baking powder, one tablespoon of glycerine, and ½ cup of dish soap. I recommend Blue Dawn dish soap .

Use it with a giant bubble wand. If you need to make your own giant bubble wand, do this beforehand so you can use the bubbles immediately.

35. Magnet Experiment

Fill a glass with water and add a few tablespoons of magnetic fine iron filings . Run magnets up and down the side of the glass and watch the iron fillings move around.

36. Paper Bridge

All you need for this are pieces of paper, two plastic cups, and a bunch of pennies. Create different types of bridges by trying out different designs with the paper. Add one penny at a time to the bridges to discover the strongest bridge design.

37. Shine Up Pennies

Discover how to clean copper pennies using household items. Fill different cups with different liquids, including white vinegar, soapy water, ketchup, and soda. You can fill up the other cups with any liquid you please!

Put a penny in each cup and wait 10 minutes. Then rinse the pennies with water and rub with a paper towel. Which liquid cleans the pennies best?

38. Egg Drop Challenge

The aim here is to drop the egg into the glass of water. So fill a glass full of water (make sure it’s big enough for the egg) and place a piece of cardboard or a small tray on top of the glass. Then place a toilet paper tube on top of the tray before balancing the egg horizontally on the tube.

When you’re ready, strike the tray or cardboard away with your hand, making sure to send it flying away without knocking over the water. The egg will hang in the air for a split second before dropping into the water.

39. Green Pennies

Above, I taught you how to polish pennies. Did you know you can turn pennies green using a very similar method?

Fill up two bowls with ¼ cup of vinegar and one teaspoon of salt. Mix well. Add a few pennies to each bowl.

After 10 minutes, remove the pennies from one bowl, rinse them, and lay them flat to dry on a paper towel.

Take the other pennies from the second bowl and place them onto the paper towel. Don’t rinse! Wait and see what happens.

The pennies that you rinsed will be polished. But the pennies you didn’t rinse will be green. This is called a patina — a layer caused by the weathering chemical process you just carried out.

40. Homemade Butter

Pour heavy cream into a jar and put the lid on tight. And start shaking! This is a great one for siblings so they can take turns because it can take up to half an hour for the cream to turn to butter!

As the cream solidifies, it separates from the buttermilk. When you remove the lid, pour the buttermilk away; underneath, you’ll have butter. Spread it on your toast, and enjoy!

41. Neon Flowers

Fill up a few glasses with water and five drops of food coloring. Mix well before adding white daisies or carnations to each glass. The next day, your flowers should be bright and colorful!

42. Expanding Soap

Watch what ivory soap does when you microwave it. Submerge a bar of ivory soap into water before cutting it into quarters and placing it on a plate. Pop it in the microwave for two minutes and watch as it expands into a pile of fluff!

43. Sticky Ice

Fill a container with water and ice cubes. Lay a piece of string across the container, ensuring the string is in contact with one or some ice cubes. Sprinkle salt over the string.

One minute later, gently submerge the ice cube slightly under the water to wash the salt off. Pick up the string, and you’ll notice that the ice cube comes with it!

This is because the salt melts the ice a little, and when you wash the salt away, the ice cube refreezes, attaching the string to it.

44. Density Jar

This is what I did my 5th grade science experiment on. Learn all about density with this cool and easy experiment.

Pour some honey into a jar, followed by corn syrup, dish soap, water, oil, and alcohol. The layers of liquid will sit on top of one another rather than mixing together!

45. Soap Boat

Cut out a mini boat about one-inch long using card or paper. Fill up a large tray or container with water. Dip a cotton swab into dish soap and place a tiny amount on the back of the paper boat.

Watch as it starts zooming around the water! This works because the soap breaks the surface tension of the water and creates a force strong enough to push the paper through the liquid.

46. Dancing Sprinkles

Place plastic wrap tightly over a bowl and secure it with a rubber band. Make sure there aren’t any wrinkles.

Pour a few sprinkles over the plastic wrap. Lean closely and hum songs near the bowl. The louder or higher you sing, the different sound waves you’ll create.

You can also try placing a speaker into the bowl before you place the plastic wrap over it. Once you’ve poured on your sprinkles, play a song and watch the sprinkles boogy!

47. Eggs and Salt Water

Fill a glass full of water. Fill a second glass all the way with water and add a bunch of salt. And finally, fill a third halfway with water.

Place an egg in the plain, full glass of water and watch as it sinks. In the salty glass of water, the egg floats. Finally, add salt to the third glass of water, allowing it to dissolve slightly before placing the egg inside.

What does the egg do? It floats. But if you pour water on top of it so the glass is full, the egg stays in the middle. This is a great science lesson to teach density to kids.

48. Leakproof Bag

Fill a plastic zippable bag half full with water and seal it shut. Stab a sharp pencil through the bag until it comes out the other side. Repeat with a few more pencils. Notice how the bag doesn’t leak water when you stab the pencils through!

50. Frozen Baking Soda

Fill a freezable tray with one cup of baking soda. Add three cups of water and food coloring. Mix well.

Add some figurine toys to the mixture and freeze the mixture overnight. Start pouring vinegar into the mixture as you try and rescue the figurine toys. The vinegar will slowly break down the baking soda with a fizzing reaction until you can break free the figurines.

51. Leaf Breathing

Fill three bowls with warm water. Place one freshly picked leaf in each bowl and hold the leaf down with a small rock. After a few hours, check back, and you’ll notice little oxygen bubbles all over the leaves.

These bubbles convey the oxygen coming out of the leaves. This highlights that plants breathe! They take in carbon dioxide and transform it into oxygen, which goes back into the air we breathe.

52. Exploding Colors

Fill a tray with baking soda. Fill an ice cube tray with distilled white vinegar. Add food coloring to the vinegar. Use an eyedropper to transfer the colored vinegar to the baking soda, and watch the colors explode!

53. Floating Paperclip

When you drop a paperclip into water, it will sink because it has a bigger density than water. But with this experiment, you can make it float!

Bend a paperclip to create an “L” shape. Balance another paperclip on the bottom end of the “L” shaped paperclip.

Gently lower the paperclips into the water, sliding out the “L” shaped one from beneath the second paperclip. The second paperclip will now float!

54. Viscosity Experiment

Fill three glasses with different liquids like water, olive oil, and honey. Place a ruler over the top of the glasses with a marble balancing above each glass.

At the same time, tip the marbles into the cups and watch which one reaches the bottom first. This is a great science lesson on viscosity.

55. Plastic Milk

Create your own plastic using milk. Pour one cup of fat-free milk into a saucepan with four teaspoons of white vinegar. Stir gently to combine.

Set the heat to a high temperature. Don’t stir. After a couple of minutes, the milk will start separating.

Gently stir the solution, and the milk will form a big curd called a casing. Voila! You’ve made plastic out of milk. You can mold and cut it into anything you want.

Adults should help set the heat to a high temperature and stir the milk. Don’t leave your child unattended with this experiment.

56. Oxidation With Apples

Learn about oxidation with this fun and fruity experiment.

Get 10 plastic cups and pour ½ cup of water in all but one cup. Then add ½ teaspoon of ingredients to each water-filled cup, including vinegar, honey, salt, sugar, baking soda, and anything else you’d like to try.

With the help of an adult, cut up 10 apple slices. Place one apple slice in each solution for 10 minutes.

Remove them from the solution and wait another 10 minutes. Notice how the oxidation process varies depending on what solution the apple slice was exposed to.

57. Sunscreen Science

Using bright construction paper, fold each sheet in half and open it back up. Squeeze sunscreen onto a paper plate and use a paintbrush to draw a picture on one half of the construction paper.

On the other half of the paper, apply a spray-on sunscreen. Leave the paper outside in the sun for a few hours, ideally all day.

Notice how the sunscreen bleaches the part of the paper that doesn’t have sunscreen on it. But the sunscreen portion is protected! This is a great way to enforce the importance of sunscreen.

58. Static Electricity Hair

Teach your kids about electrons and negative vs. positive charge with this silly balloon experiment! Rub the surface of a balloon with a cloth for around one minute. Hold it slightly above your head and watch your hair move upwards towards the balloon.

59. Chicken in a Cup

Punch a hole in the bottom of a plastic cup. Attach a paperclip to the end of the ribbon and weave the other side through the hole so the paperclip is inside the cup. Dampen the dangling part of the ribbon slightly.

Hold the cup tightly in one hand and use your other hand to squeeze the ribbon and pull it down in sharp, short movements. All going well, it should make chicken noises!

60. Gummy Bear Osmosis

Pour water, coke, salt water, and white vinegar into four separate cups. Add one gummy bear into each cup and wait 24 hours. Remove the gummy bears and notice how they expand or stay the same depending on the liquid they rested in.

Weigh and measure the gummy bears before and after the experiment to track exactly how much they changed.

61. Make a Sundial

Make your own sundial to help you tell time! Start by poking a stick in the ground. If you live in the Northern Hemisphere, tilt the stick at a bit of an angle to the North. If you live in the Southern Hemisphere, angle it slightly to the South.

Every hour, take note of where the stick’s shadow is pointing on the ground. So, at 7 a.m., head outside and mark the shadow with a rock. Repeat at 8 a.m., 9 a.m., and so forth. As long as the sun is in the sky, you can use your sundial to tell the time.

62. Homemade Bouncy Balls

Combine ½ teaspoon of Borax with two tablespoons of warm water. Add a few drops of food coloring (optional). Then add one tablespoon of school glue to a separate bowl. Add glitter if you’d like.

Now add ½ teaspoon of the Borax solution into your glue, followed by one tablespoon of cornstarch. Stir well.

Once the solution has hardened, pick it up and mold it into a ball. Leave it to dry for 10 minutes. Watch it bounce!

63. Instant Ice

Fill a plastic bottle with water and place it in the freezer for two hours. Carefully remove it from the freezer.

Place a bowl or cup upside down and set an ice cube on top of it. Then, slowly pour the cold water onto the ice cube and watch instant ice form!

As an extra step, you can pour the cold water into a glass. Then hold an ice cube slightly into the water’s surface and watch as the water slowly freezes beneath it.

64. Mystery Smell

Get an adult or friend to fill up various opaque containers with different objects, such as chocolate, milk, vanilla, and other fragranced items. The children should put a blindfold on and sniff the different containers, trying to guess what is inside.

65. What Dissolves in Water?

This experiment is fantastic for learning what dissolves in water and what doesn’t. Drop some ingredients into various cups — oil, sugar, pepper, flour, and more. Then add warm water and stir.

Make it more fun by guessing beforehand which ingredients will dissolve and which won’t. Were your theories correct?

It’s essential to stay safe during your science fair projects and experiments. Here are five tips for ensuring your child is safe while they meddle with science.

• Stay nearby: Don’t leave your child unattended while they perform science experiments. Stay nearby without distractions to keep an eye on what your child tries out.
• Wear protective clothing: It’s a good idea to wear a lab coat, glasses, and goggles while conducting experiments. Many ingredients, even natural ones, can irritate the skin and eyes.
• Provide clear instructions: Before your child attempts a science experiment, ensure you have given them clear instructions, and they have a good understanding of what to do.
• Only do approved experiments: The experiments on this list have been tried and tested many times. I urge you to stick with approved experiments. Don’t make up your own experiments, as many mixtures and chemical combinations can make toxic gasses.
• Work in a well-ventilated spot: Some ingredients might cause nausea, dizziness, and headaches. So always work in a well-ventilated spot near an air purifier or open window.

What Are the Most Popular Science Experiments?

The most well-known science project experiment is definitely the baking soda and vinegar volcano. It has a beloved place in school fairs, movies, and TV shows.

Other popular projects include invisible ink, growing crystals, making a vegetable battery, making a baking soda rocket, and elephant’s toothpaste.

What Are Some Simple Science Experiments?

Your science experiment doesn’t need to be super complicated.

Keep it nice and simple with these easy experiments:

• Magic Milk.
• Black Pepper Trick.
• Dancing Raisins.
• Sink or Float.
• Eggs and Salt Water.

About the Author

Beth McCallum

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Super Easy Science Experiments for Kids

This list of easy science experiments for kids is going to save you so much time planning fun and simple science experiments and activities for the kids!

Science Experiments for Kids

If you are looking for easy science experiments for kids, then look no further. There are so many awesome science experiments out there and I've compiled a list of the best.

Now you can find what you need easily and save yourself lots of time.

All of the science experiments for kids are tried and true and sure to be a hit with the kids you teach!

Simple Spring Science and STEAM Activities

Christmas Skittles Experiment

Dancing Corn Science Experiment

Kindergarten Science Experiments

Floating Dry Erase Marker Science Experiment

Pumpkin Candy Science Activity for Kids

Easy STEM Activities for Kids

Salt Painting Activity for Kids

Fireworks in a Jar Science Experiment for Kids

How to make a Popsicle Stick Catapult

Super Cool Lava Lamp Experiment for Kids

Fizzy Rainbow Science Experiment

Grow a Rainbow Science Experiment

How to Make Oobleck

Disappearing Color Wheel Spinner Science Experiment

Coffee Filter Flowers – Chromatography Science Experiment for Kids

Keep Paper Dry Under Water Science Experiment

Rainbow Skittles Experiment Science Activity for Kids

Magic Pepper and Soap Science Experiment for Kids

30 Amazing Science Activities for Preschoolers

Color Changing Flowers Science Experiment

Rainbow Walking Water Science Experiment for Kids

Rain Cloud in a Jar Science Experiment with Printable Recording Sheets

Dancing Raisins Science Experiment for Kids

Winter Blizzard Lava Lamp Experiment

Exciting Magic Milk Science Experiment for Kids

Oil and Water Science Exploration

Leak Proof Bag Science Experiment for Kids

Explore Clouds and Rain for Fine Motor Practice

Even more easy science experiments.

Celery Science Experiment - Teach transpiration with this neat celery science experiment.

Penny Change Experiment - Children will learn about oxidation while watching the copper in pennies react with oxygen in the air to first form copper oxide and then malachite.

Hot Ice Experiment - This hot ice experiment is super cool!

Lemon Volcanoes - The kids will have a blast exploring how the reaction between baking soda and the acid in lemons.

What Melts in the Sun? - This fun experiment is super simple and perfect for summer.

Bending Pencil Experiment - All you need to do this cool experiment is a glass, water, and a pencil.

Turn Milk into Plastic - Did you know you could turn milk into plastic? It's actually pretty easy. This experiment will really WOW the kids.

What Dissolves in Water? - This science experiment is so easy even toddlers can do it!

Water Cycle in a Bag -- Learn about the water cycle with this simple water cycle in a bag activity.

Grow a Bean in a Bag - You can grow lima beans in a ziploc bag and it is crazy easy to do. My kids loved this!

Super Cool Science for Kids

Walking on Eggs Experiment - Kids will get a kick out of learning that they can walk on eggs without breaking them.

Making Oobleck - Kids will be amazed while exploring this non-Newtonian liquid. This super easy experiment only requires two household ingredients!

Make Butter in a Jar - This super simple science experiment is one that results in yummy butter that the kids can try.

Rainbow Rubber Egg Experiment - Kick the rubber experiment up a few notches with this colorful twist on the classic experiment.

Magic Pepper and Soap - Grab three household supplies and try this fun experiment!

Ice Cream in a Bag - Five ingredients is all you need to make homemade ice cream in a bag. This would be a fun summer science experiment for the kids!

Elephant Toothpaste - This classic science experiment will amaze the kids!

Invisible Ink - The kids will have a blast writing secret messages with invisible ink while exploring oxidation.

Coke and Mentos Experiment - This experiment is so cool! The kids will want to do it again and again.

Tornado in a Jar  - This classic science experiment is super simple to do and perfect for a weather unit.

With this list of easy science experiments for kids, the kids are going to have a blast learning and exploring science!

We'll keep adding to this list as we find even more of our favorite science experiments!

Check out these other lists of science activities and experiments!

30 Science Activities for Preschoolers That are Totally Awesome!

Super Cool Science Activities for Kids of all Ages

Spring Science Activities for Kids

Summer Science Experiments for Kids

30 Fun & Easy Science Experiments for Kids

Welcome to our vibrant roundup of fun and easy science experiments tailor-made for young explorers, whether in school or at home. These aren’t your typical textbook experiments; they’re doorways to adventures, crafted to be as entertaining as they are educational.

At its heart, science is about uncovering the everyday miracles around us—and what better way to start than with experiments that turn the ordinary into the extraordinary!

These hands-on experiments are perfect for little hands with big imaginations and will kindle a lifelong love for science.

REMEMBER , before conducting any science experiments, you should always prioritize safety. Make sure to have adult supervision and gather all necessary materials in advance.

Follow the instructions carefully and don’t rush through the steps. Remember to wear appropriate safety gear, such as goggles or gloves, when handling any potentially hazardous substances.

Always clean up after the experiment, disposing of any waste responsibly. Have fun exploring the wonders of science while staying safe and responsible!

1. Build a Shoebox Projector

Using simple ingredients and materials commonly found at home, this thrilling experiment invites young minds to explore the principles of optics and create their very own mini movie projector.

2. The Science of Yeast

By harnessing the power of yeast, kids and students can observe firsthand how tiny organisms can produce gas and inflate a balloon in a plastic bottle.

Learn more: Playdough Potato

3. Food Coloring Dyed Flowers 

Using easily accessible ingredients and materials found at home, this enchanting experiment allows young botanists to unlock the mysteries of plant biology and create their own dazzling floral masterpieces.

4. Egg Drop

The Egg Drop experiment not only sparks imaginative problem-solving but also offers a valuable opportunity to learn about the laws of motion and the importance of cushioning and protection in real-world scenarios.

Learn more: Buggy and Buddy

5. Make A Compass

This captivating experiment invites young explorers to create their very own compass and unlock the secrets of magnetic fields.

Learn more: Steam Powered Family

6. Nine-Layer Density Tower

Using common household materials, this mesmerizing experiment challenges young scientists to create a stunning layered tower of liquids with varying densities.

Learn more: Wonder How To

7. Egg Shell Chalk

By combining eggshells, flour, and water, kids and students can witness the magical process of creating their very own eco-friendly chalk.

As they watch eggshells metamorphose into a vibrant drawing tool, children can explore the marvels of science while reducing waste and giving new life to everyday items.

Learn more: Kids Spot

8. Make Your Own Sundial

This hands-on project not only sparks curiosity but also offers a valuable opportunity to understand the Earth’s rotation and the concept of time zones.

Learn more: PBS Org

9. Growing Gummy Bear Science

This mouthwatering experiment allows young scientists to witness the fascinating process of osmosis.

By placing gummy bears in different solutions like water, saltwater, and sugar water, kids and students can observe how the gummy bears absorb or release water, leading to changes in size and shape.

Learn more: Playdough Plato

11. Amplify a Smartphone

Transform your smartphone’s audio experience with a simple yet ingenious DIY project: Amplify a Smartphone using paper cups!

Using just a couple of paper cups, scissors, and creativity, you can turn your ordinary listening sessions into a surround sound sensation

Learn more: Mum In The Madhouse

12. Rising Water Experiment

This hands-on project not only sparks curiosity but also offers a valuable opportunity to learn about the principles of air pressure and the effects of atmospheric forces on liquids.

Learn more: Team Cartwright

13. Shaving Cream Rain Clouds

Using common household materials like shaving cream, water, and food coloring, this enchanting experiment allows young scientists to mimic the process of cloud formation and precipitation.

Learn more: One Little Project

14. Floating Ping Pong Ball

This hands-on project not only sparks curiosity but also offers a valuable opportunity to learn about the properties of air and how it interacts with objects.

15. Science & Art Experiment: Chromatography for Kids

As they witness the magic of colors transforming before their eyes, children can embrace the joys of both science and art, fostering a love for experimentation and self-expression.

Learn more: Babble Dabble Do

16. Make Your Own Bouncy Balls

As they shape and bounce their creations, children can experience the joy of making something from scratch while exploring the principles of chemistry in action.

Learn more: Come Together, Kids

17. Rainbow Paper Experiment

As they explore the wonders of color and absorbency, children can embrace the joys of both science and art, combining imagination and curiosity in a delightful fusion.

18. Hot and Cold Water Density Experiment

By carefully layering hot and cold water in a clear container, kids and students can observe mesmerizing thermal currents as the two temperatures interact.

Learn more: Steamsational

19. Tornado in a Bottle

By filling a clear plastic bottle with water and giving it a swift swirl, kids and students can witness the formation of a miniature tornado as the water spirals and creates a vortex.

Learn more: Cool Science Experiment

20. Make a Parachute

This hands-on project not only sparks creativity but also offers a valuable opportunity to learn about air resistance and the science behind safe landings.

Learn more: Inspiration Laboratories

21. Make a Rain Gauge

Get ready to measure nature’s tears with the captivating kids’ science experiment: Make a Rain Gauge! Using simple materials found at home, this engaging experiment allows young meteorologists to create their very own rain gauge to track rainfall.

Learn more: Nurture Store

22. Explore the World of Acoustics by Creating Sounds Using Rubber Bands

Using simple materials found at home, this engaging experiment allows young sound enthusiasts to unlock the secrets of acoustics by experimenting with rubber bands of different sizes and thicknesses.

Learn more: Science Sparks

23. Make Salt Crystal Apples

Using simple ingredients commonly found at home, this enchanting experiment allows young scientists to witness the captivating process of crystallization.

24. Design an Umbrella

By using items like plastic bags, sticks, and tape, kids and students can create their very own functional umbrella prototypes.

Learn more: Raising Life-Long Learners

25. Make Frozen Bubbles

By blowing soap bubbles and watching them freeze in the cold air, kids and students can observe the mesmerizing transformation of liquid into delicate, icy spheres.

Learn more: Mommy Poppins

27. Wiggly Worms

By designing tissue paper in the shape of worms and placing them in water, kids and students can observe the wiggly worms come to life as they absorb the water and expand.

28. Seed Germination

By planting seeds in soil and providing water and sunlight, kids and students can witness the fascinating process of germination, as tiny seeds sprout into young seedlings.

Learn more: Little Bins, Little Hands

29. Electroactive Oobleck

By mixing cornstarch and water, kids and students can create oobleck, a non-Newtonian fluid that behaves in intriguing ways.

30. Expanding Ivory Soap

By placing a bar of Ivory soap in a microwave, kids and students can observe in awe as the soap rapidly expands into a fluffy, cloud-like mass

Similar Posts:

• 68 Best Chemistry Experiments: Learn About Chemical Reactions
• Top 100 Fine Motor Skills Activities for Toddlers and Preschoolers
• Top 58 Creative Art Activities for Kids and Preschoolers

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50 Fun Kids Science Experiments

Science doesn’t need to be complicated. These easy science experiments below are awesome for kids! They are visually stimulating, hands-on, and sensory-rich, making them fun to do and perfect for teaching simple science concepts at home or in the classroom.

Top 10 Science Experiments

Click on the titles below for the full supplies list and easy step-by-step instructions. Have fun trying these experiments at home or in the classroom, or even use them for your next science fair project!

Baking Soda Balloon Experiment

Can you make a balloon inflate on its own? Grab a few basic kitchen ingredients and test them out! Try amazing chemistry for kids at your fingertips.

Rainbow In A Jar

Enjoy learning about the basics of color mixing up to the density of liquids with this simple water density experiment . There are even more ways to explore rainbows here with walking water, prisms, and more.

This color-changing magic milk experiment will explode your dish with color. Add dish soap and food coloring to milk for cool chemistry!

Seed Germination Experiment

Not all kids’ science experiments involve chemical reactions. Watch how a seed grows , which provides a window into the amazing field of biology .

Egg Vinegar Experiment

One of our favorite science experiments is a naked egg or rubber egg experiment . Can you make your egg bounce? What happened to the shell?

Dancing Corn

Find out how to make corn dance with this easy experiment. Also, check out our dancing raisins and dancing cranberries.

Grow Crystals

Growing borax crystals is easy and a great way to learn about solutions. You could also grow sugar crystals , eggshell geodes , or salt crystals .

Lava Lamp Experiment

It is great for learning about what happens when you mix oil and water. a homemade lava lamp is a cool science experiment kids will want to do repeatedly!

Skittles Experiment

Who doesn’t like doing science with candy? Try this classic Skittles science experiment and explore why the colors don’t mix when added to water.

Lemon Volcano

Watch your kids’ faces light up, and their eyes widen when you test out cool chemistry with a lemon volcano using common household items, baking soda, and vinegar.

Bonus! Popsicle Stick Catapult

Kid tested, STEM approved! Making a popsicle stick catapult is a fantastic way to dive into hands-on physics and engineering.

Grab the handy Top 10 Science Experiments list here!

Free Science Ideas Guide

Grab this free science experiments challenge calendar and have fun with science right away. Use the clickable links to see how to set up each science project.

Get Started With A Science Fair Project

💡Want to turn one of these fun and easy science experiments into a science fair project? Then, you will want to check out these helpful resources.

• Easy Science Fair Projects
• Science Project Tips From A Teacher
• Science Fair Board Ideas

Easy Science Experiments For Kids

Science Experiments By Topic

Are you looking for a specific topic? Check out these additional resources below. Each topic includes easy-to-understand information, everyday examples, and additional hands-on activities and experiments.

• Chemistry Experiments
• Physics Experiments
• Chemical Reaction Experiments
• Candy Experiments
• Plant Experiments
• Kitchen Science
• Water Experiments
• Baking Soda Experiments
• States Of Matter Experiments
• Physical Change Experiments
• Chemical Change Experiments
• Surface Tension Experiments
• Capillary Action Experiments
• Weather Science Projects
• Geology Science Projects
• Space Activities
• Simple Machines
• Static Electricity
• Potential and Kinetic Energy
• Gravity Experiments
• Magnet Activities
• Light Experiments

Science Experiments By Season

• Spring Science
• Summer Science Experiments
• Fall Science Experiments
• Winter Science Experiments

Science Experiments by Age Group

While many experiments can be performed by various age groups, the best science experiments for specific age groups are listed below.

• Science for Toddlers
• Science for Preschoolers
• Science for Kindergarten
• Elementary Science by Season
• Science for 1st Grade
• Science for 2nd Grade
• Science for 3rd Grade
• Science for 4th Grade
• S cience for 5th Grade
• Science for 6th Grade
• Science for Middle School

How To Teach Science

Kids are curious and always looking to explore, discover, check out, and experiment to discover why things do what they do, move as they move, or change as they change! My son is now 13, and we started with simple science activities around three years of age with simple baking soda science.

Here are great tips for making science experiments enjoyable at home or in the classroom.

Safety first: Always prioritize safety. Use kid-friendly materials, supervise the experiments, and handle potentially hazardous substances yourself.

Start with simple experiments: Begin with basic experiments (find tons below) that require minimal setup and materials, gradually increasing complexity as kids gain confidence.

Use everyday items: Utilize common household items like vinegar and baking soda , food coloring, or balloons to make the experiments accessible and cost-effective.

Hands-on approach: Encourage kids to actively participate in the experiments rather than just observing. Let them touch, mix, and check out reactions up close.

Make predictions: Ask kids to predict the outcome before starting an experiment. This stimulates critical thinking and introduces the concept of hypothesis and the scientific method.

Record observations: Have a science journal or notebook where kids can record their observations, draw pictures, and write down their thoughts. Learn more about observing in science. We also have many printable science worksheets .

Theme-based experiments: Organize experiments around a theme, such as water , air , magnets , or plants . Even holidays and seasons make fun themes!

Kitchen science : Perform experiments in the kitchen, such as making ice cream using salt and ice or learning about density by layering different liquids.

Create a science lab: Set up a dedicated space for science experiments, and let kids decorate it with science-themed posters and drawings.

Outdoor experiments: Take some experiments outside to explore nature, study bugs, or learn about plants and soil.

DIY science kits: Prepare science experiment kits with labeled containers and ingredients, making it easy for kids to conduct experiments independently. Check out our DIY science list and STEM kits.

Make it a group effort: Group experiments can be more fun, allowing kids to learn together and share their excitement. Most of our science activities are classroom friendly!

Science shows or documentaries: Watch age-appropriate science shows or documentaries to introduce kids to scientific concepts entertainingly. Hello Bill Nye and the Magic Schoolbus! You can also check out National Geographic, the Discovery Channel, and NASA!

Ask open-ended questions: Encourage critical thinking by asking open-ended questions that prompt kids to think deeper about what they are experiencing.

Celebrate successes: Praise kids for their efforts and discoveries, no matter how small, to foster a positive attitude towards science and learning.

What is the Scientific Method for Kids?

The scientific method is a way scientists figure out how things work. First, they ask a question about something they want to know. Then, they research to learn what’s already known about it. After that, they make a prediction called a hypothesis.

Next comes the fun part – they test their hypothesis by doing experiments. They carefully observe what happens during the experiments and write down all the details. Learn more about variables in experiments here.

Once they finish their experiments, they look at the results and decide if their hypothesis is right or wrong. If it’s wrong, they devise a new hypothesis and try again. If it’s right, they share their findings with others. That’s how scientists learn new things and make our world better!

Go ahead and introduce the scientific method and get kids started recording their observations and making conclusions. Read more about the scientific method for kids .

Engineering and STEM Projects For Kids

STEM activities include science, technology, engineering, and mathematics. In addition to our kids’ science experiments, we have lots of fun STEM activities for you to try. Check out these STEM ideas below.

• Building Activities
• Self-Propelling Car Projects
• Engineering Projects For Kids
• What Is Engineering For Kids?
• Lego STEM Ideas
• LEGO Engineering Activities
• STEM Activities For Toddlers
• STEM Worksheets
• Easy STEM Activities For Elementary
• Quick STEM Challenges
• Easy STEM Activities With Paper  

Printable Science Projects For Kids

If you’re looking to grab all of our printable science projects in one convenient place plus exclusive worksheets and bonuses like a STEAM Project pack, our Science Project Pack is what you need! Over 300+ Pages!

• 90+ classic science activities  with journal pages, supply lists, set up and process, and science information.  NEW! Activity-specific observation pages!
• Best science practices posters  and our original science method process folders for extra alternatives!
• Be a Collector activities pack  introduces kids to the world of making collections through the eyes of a scientist. What will they collect first?
• Know the Words Science vocabulary pack  includes flashcards, crosswords, and word searches that illuminate keywords in the experiments!
• My science journal writing prompts  explore what it means to be a scientist!!
• Bonus STEAM Project Pack:  Art meets science with doable projects!
• Bonus Quick Grab Packs for Biology, Earth Science, Chemistry, and Physics

Subscribe to receive a free 5-Day STEM Challenge Guide

~ projects to try now ~.

• Grades 6-12
• School Leaders

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40 Easy Kindergarten Science Experiments for Hands-On Learning

Every day brings a new discovery!

Every day is chock-full of new discoveries when you are a kindergartner! These hands-on kindergarten science experiments and activities take advantage of kids’ boundless curiosity. They’ll learn about physics, biology, chemistry, and more basic science concepts, gearing them up to become lifelong learners.

To make things even easier, we’ve rated every one of these kindergarten science experiments based on difficulty and materials:

Difficulty:

• Easy: Low or no-prep experiments you can do pretty much anytime
• Medium: These take a little more setup or a longer time to complete
• Advanced: Experiments like these take a fairly big commitment of time or effort
• Basic: Simple items you probably already have around the house
• Medium: Items that you might not already have but are easy to get your hands on
• Advanced: These require specialized or more expensive supplies to complete

Food Science Experiments for Kindergarten

Water science experiments for kindergarten, more kindergarten science experiments.

What better way to dive into the world of science than to play with your food? These food science experiments for kindergartners are sure to grab their interest.

Use apples to learn what science is all about

Difficulty: Easy / Materials: Basic

This apple investigation is a great way to start. It encourages kids to examine an apple using a variety of techniques to learn its properties. Get a free printable worksheet for this activity at the link.

Learn more: Apple Investigation at Preschool Play & Learn

Eat your way through soil layers

Difficulty: Easy / Materials: Medium ADVERTISEMENT

Layer a variety of foods to represent the soil layers, from bedrock on up. If candy doesn’t fit your school’s nutritional guidelines, use fruits, yogurt, granola, and other healthy options. Either way, the results are scrumptious!

Learn more: Edible Soil Layers at Super Teacher Blog

Dehydrate your own raisins

Difficulty: Easy / Materials: Easy

Have students dry grapes in the sun over a period of days to see them turn into raisins. Then talk about the process of dehydration as a method of preserving food.

Learn more: Homemade Raisins at Learn Play Imagine

Cook up edible glass

Difficulty: Medium / Materials: Basic

Just like real glass, this edible glass is made from tiny opaque grains, but in this case from sugar instead of sand. Cooked and then cooled, it becomes what’s known as an “amorphous solid.” So cool!

Learn more: Edible Glass at Go Science Kids

Paint with salt

OK, little learners probably won’t remember the word “hygroscopic,” but they’ll enjoy watching the salt absorb and transfer colors in this neat kindergarten science experiment.

Learn more: Salt Painting at A Dab of Glue Will Do

Play with “magic” milk

Sometimes science seems like magic! In this case, dish soap breaks down milk fats and causes a colorful swirling reaction that will mesmerize little learners.

Learn more: Magic Milk Experiment (With Free Printable Student Recording Sheet)

Explore buoyancy with oranges

Expand your exploration of buoyancy with this cool demo. Kids will be surprised to learn that even though an orange feels heavy, it floats. That is, until you peel off the skin!

Learn more: Orange Buoyancy at Playdough to Plato

Bounce popcorn with sound waves

Sound may be invisible to the naked eye, but you can see the waves in action with this demo. The plastic wrap–covered bowl is the perfect stand-in for an eardrum.

Learn more: Popcorn Sound Waves at Premeditated Leftovers

Build a Three Little Pigs STEM house

Difficulty: Medium / Materials: Medium

Can your little engineers create a house that protects a little piggie from the Big Bad Wolf? Try this kindergarten STEM challenge and find out!

Learn more: Three Little Pigs STEM Challenge at Sweet Sounds of Kindergarten

Make egg geodes

Engage your students in the steps of the scientific method to create these stunning lab-grown geodes. Compare the results using sea salt, kosher salt, and borax.

Learn more: Egg Geodes at TinkerLab

Water play is a kindergarten favorite, so use it to engage them in these projects and activities. They make science for kindergarten students to much fun!

Change the color of flowers

Difficulty: Easy / Materials: Medium

This is one of those classic kindergarten science activities everyone should try at least once. Learn how flowers “drink” water using capillary action, and create beautiful blooms while you’re at it!

Learn more: Capillary Action at Fun Learning for Kids

Assemble a lava lamp

Help your students make their very own lava lamp using simple household ingredients. Then personalize the lamps by adding a couple of drops of food coloring to each bottle.

Create a tower of instant ice

Place a water bottle in the freezer for a couple of hours, but don’t let it freeze all the way through. Then, pour some of the water onto a couple of ice cubes perched on top of a ceramic bowl and watch a tower of ice form.

Learn more: Instant Ice at Only Passionate Curiosity

Watch colored water walk

Fill three small jars with red, yellow, and blue food coloring and some water. Then place empty jars in between each. Fold paper towel strips and place them in the jars as shown. Kids will be amazed as the paper towels pull the water from full jars to empty ones, mixing and creating new colors!

Learn more: Walking Water at Messy Little Monster

Create a tornado in a jar

As you fill in the weather during daily calendar time, you might have a chance to talk about severe storms and tornadoes. Show your students how twisters form with this classic tornado jar experiment.

Learn more: Tornado in a Jar at One Little Project

Suspend water inside a jar

Lots of kindergarten science activities involve water, which is terrific because kids love to play in it! In this one, show your students how air pressure keeps water in a jar, even when it’s upside down.

Learn more: Water Pressure Experiment at A Mothership Down

See popcorn kernels dance

Here’s an activity that always feels a bit like magic. Drop an Alka-Seltzer tablet into a glass of water with popcorn kernels, and watch as the bubbles cling to the kernels and make them rise and fall. So cool!

Learn more: Dancing Popcorn Experiment (With Free Student Printable Recording Sheet)

Find out what sinks and what floats

Kids learn about the property of buoyancy and get some practice making predictions and recording the results with this easy experiment. All you need is a container of water to get started.

Learn more: Sink or Float? at Buggy and Buddy

Make it rain with shaving cream

Here’s another neat weather-related science experiment. Make shaving cream “clouds” on top of the water, then drop food coloring in to watch it “rain.”

Learn more: Shaving Cream Clouds at One Little Project

Bend light with water

Light refraction produces some incredible results. Your students will think it’s magic when the arrow on the paper changes direction … until you explain that it’s all due to the way water bends the light.

Learn more: Light Water Play at Go Science Girls

We’ve got even more ideas about teaching science to kindergarten students here, from plant and dirt science to static electricity and more.

Craft some recycled paper

Teach your kindergartners how to transform something old into something new. Use scrap paper, old newspapers, and magazine pages to create beautiful handcrafted paper.

Learn more: Homemade Paper at The Craftaholic Witch

Make their hair stand on end

Kids love to play with balloons! Find out all about the properties of static electricity with these three fun and super-easy balloon experiments. ( Get more fun balloon experiments here. )

Create a model of the human spine

Kindergarten science students love to learn through play. Make this simple egg carton spine model to encourage your students’ interest in the human body and how it works.

Learn more: Spine Model at Mombrite

Inflate a balloon without blowing into it

Teach your students the magic of chemical reactions using a plastic bottle, vinegar, and baking soda to inflate a balloon. This classic experiment is a wonderful way to explore science for kindergarten kids.

Learn more: Balloon Experiments

Move a paper butterfly’s wings with static electricity

Part art project, part science lesson, all fun! Kids make tissue paper butterflies, then use the static electricity from a balloon to flap the wings.

Learn more: Static Electricity Butterfly at I Heart Crafty Things

Race balloon rockets

Introduce little ones to the laws of motion with easy-to-make balloon rockets. When the air shoots out one end, the balloons will sail off in the other direction. Whee!

Learn more: Balloon Rockets at Hands On Teaching Ideas

Lift a bag with balloons

You’ll need helium balloons for this one, and kids are gonna love it. Ask them to guess (hypothesize) how many balloons it will take to lift various items in a bag attached to the strings.

Learn more: Helium Balloon Experiment at Mess for Less

Discover how plants breathe

Kids might be surprised when you tell them that trees breathe. This kindergarten science experiment will help prove it’s true.

Learn more: Leaf Transpiration at KC Edventures With Kids

Learn how germs spread

There’s never been a better time to add a handwashing experiment to your list of kindergarten science activities. Use glitter as a stand-in for germs, and learn how important washing your hands with soap really is.

Explore the properties of mystery items

Mystery bags are always a hit with kids. Tuck a variety of objects inside, then encourage kids to feel, shake, smell, and explore as they try to determine what the items are without looking.

Learn more: Mystery Bags at Raising Lifelong Learners

Play with fizzing ice cubes

While kinders may not entirely understand the concept of acid-base reactions, they’ll still get a kick out of spraying these baking soda ice cubes with lemon juice and watching them fizz away!

Learn more: Fizzing Ice at The Play-Based Mom

Sniff scented sensory bottles

Here’s another way to engage the senses. Drop essential oils onto cotton balls, then seal them inside spice bottles . Kids sniff the bottles and try to identify the smell.

Learn more: Scent Jars at Share and Remember

Play with magnets

Magnet play is one of our favorite kindergarten science activities. Place a variety of items into small bottles, and ask kids which ones they think will be attracted to the magnets. The answers may surprise them!

Learn more: Magnet Jars at Left Brain Craft Brain

Waterproof a boot

This experiment lets kindergartners try their hand at “waterproofing” a boot with a variety of materials. They use what they already know to predict which materials will protect the paper boot from water, then experiment to see if they’re right.

Learn more: Waterproof a Boot at Science Sparks

Dig into some soil science

Ready to get your hands in the dirt? Scoop up some soil and examine it more closely, looking for rocks, seeds, worms, and other items.

Learn more: Dirt Science at Go Science Kids

Mix up some oobleck

Perhaps no book leads so perfectly into a science lesson as Dr. Seuss’s Bartholomew and the Oobleck . Just what is oobleck? It’s a non-Newtonian fluid that looks like a liquid but takes on the properties of a solid when squeezed. Weird, messy … and so much fun!

Learn more: Oobleck at ABCs of Literacy

Grow crystal letters

No list of kindergarten science activities would be complete without a crystal project! Use pipe cleaners to make the letters of the alphabet (numbers are good too), then grow crystals on them using a supersaturated solution.

Learn more: Crystallized Letters at Gift of Curiosity

Blow up your fingerprints

You don’t need a microscope to look at fingerprints up close! Instead, have each student make a print on a balloon, then blow it up to see the whorls and ridges in detail.

Learn more: Balloon Fingerprints at The Natural Homeschool

Play a marble maze game

Tell kids they’re going to move a marble without actually touching it, and watch their eyes widen in surprise! They’ll have fun drawing mazes to guide a metal marble through with a magnet from underneath.

Learn more: Magnet Marble Maze at Go Science Girls

Germinate a seed

There’s something about seeing a seed develop roots and shoots with your very eyes that’s just so incredible. Sprout bean seeds in paper towels inside a glass jar to give it a try.

Learn more: Germinate a Seed at How Wee Learn

Keep the learning going with these Kindergarten Math Games That Make Numbers Fun From Day One .

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Science Experiments for Kids:

Science experiments you can do at home!  Explore an ever growing list of hundreds of fun and easy science experiments. Have fun trying these experiments at home or use them for science fair project ideas. Explore experiments by category, newest experiments, most popular experiments, easy at home experiments, or simply scroll down this page for tons of awesome experiment ideas!

Making A Volcano:

Acids and Bases Can Erupt in Your Faces

Orange Fizz:

Awesome Experiments:

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Easy Experiments:

Storm In A Glass:

Home Made Play Dough:

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Rainbow in a Glass:

Sizzlin’ Snowballs:

Jello Lenses:

Ice Fishing:

Super Cool Soda:

Jack-O-Cano:

Dancing Hearts:

Marbled Gift Wrap:

Massive Expanding Soap:

Surface Tension Art:

Fizzy Fruit:

Rotting Pumpkin:

Explode A Bag:

Invisible Extinguisher:

Paper Hovercrafts:

Fun Fossil Stamps:

Cool Crystals:

Balloon Pop! Not!

Solar Eclipse Kit:

Moldy Apples:

Cool Off Volcanoes:

Vinegar Pops:

Make It Rain:

Black Light Blue Beverage:

Changing of the Leaves:

Snowflakes:

Water Fireworks:

Mind of a Student:

Balloon Speakers:

Polar Bear Blubber:

Gorgeous Gooey Gobstoppers:

Olympic Medals:

Dyed Flowers:

Rain, Rain, Don’t Go Away Gauge:

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Butter Fingers:

Polishing Pennies:

Dancing Liquid:

Floating Egg:

Bendy Bones:

Pot Of Gold:

Layers of Liquids:

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60 Easy Science Experiments for Kids

May 31, 2024

What makes clouds rain? Why do crayons burn? Why is it easier to float in salt water? Science experiments for kids are fun, but they’re also a hands-on way to learn and discover our world’s many mysteries. Future chemistry majors, engineers, and PhDs need to start somewhere, and at-home experiments are a perfect way for kids to begin applying their natural curiosity to STEAM subjects. Ready to spark your young scientist in the making? We’ve got 60 easy science experiments for kids of all ages. In this article, we’ll cover:

• Easy Science Experiments for Kids—Kindergarten-5th Grade Experiments
• Easy Science Experiments for Kids—6th-8th Grade Experiments
• Science Experiments for Kids—More Resources

60 Easy Science Experiments for Kids—Kindergarten-5th Grade Experiments

1) make a bouncy egg.

If you’ve got an egg and a couple of days, you can make a bouncy egg. Yes, you heard us right: a bouncy egg. A super simple chemistry activity that’s sure to amaze, all you need for this experiment is an uncooked egg, food coloring, and vinegar.

• Learn more: Bouncy Egg

2) Blow Giant Bubbles

A science experiment that gets kids outdoors, a soapy concoction lets you blow bubbles so big you could stand inside them. This experiment requires a few household chemicals, sticks, and string.

• Learn more: Giant Bubbles

3) Grow an Avocado Tree

One of the easiest science experiments for kids, all you need to start your own avocado tree is an avocado pit, a jar, some toothpicks, and water. With a little time and sunlight, your plant will sprout roots.

• Learn more: Avocado Tree

4) Homemade Fly Trap

Put that fly swatter away! This experiment teaches kids about zoology and catches pesky home invaders at the same time. Kids test variables by making fly traps with a variety of different baits (aka honey, maple syrup, etc.) to see which best attracts the flies.

• Learn more: Homemade Fly Trap

5) DIY Puffy Slime

An ooey gooey good time for kids, this experiment uses glue, glitter, and a few other safe chemicals to make puffy slime.

• Learn more: Puffy Slime

Easy Science Experiments for Kids (Continued)

6) skittles rainbow experiment.

To teach kids about diffusion, all you need is a bag of Skittles and warm water. As the Skittles melt into the water, they’ll make a rainbow—a beautiful and tasty visual illustration of this foundational chemistry principle.

• Learn more: Skittle Experiment

7) Make Instant Ice Cream

We all scream for ice cream experiments. If you’re craving a sweet treat, why not make it yourself? This activity uses salt to turn cream and sugar into ice cream in no time.

• Learn more: Instant Ice Cream

8) 7 Layer Density Experiment

One of our favorite visual science experiments for kids, this activity is a simple illustration of the concept of density. All you need is a glass jar, food coloring, and liquids of various densities (honey, dish soap, water, etc.).

• Learn more: Density Experiment

9) Make Rock Candy

With just sugar, boiling water, a couple of sticks, and some string, kids will watch candy grow before their eyes. Rock candy takes about a week to grow, so this easy experiment for kids is a great lesson in science and patience .

• Learn more: Make Rock Candy

10) Concoct Color-Changing Invisible Ink

A science experiment disguised as a magic trick, kids can learn about basic chemistry by using invisible ink to write secret messages. This method doesn’t use heat, so is great for all ages.

• Learn more: Invisible Ink

11) Discover What Materials Block Wi-Fi Signals

Did you know that objects can get in the way of wi-fi signals? This experiment lets kids discover the extent to which common household items like aluminum foil, baking pans, or cardboard block radio waves.

• Learn more: Blocking Wi-Fi Signals

12) Make an Erupting Volcano

Making your own personal volcano is so much easier than you think. Dish soap, white vinegar, and baking are the secret ingredients that create this fantastic chemical reaction.

• Learn more: Erupting Volcano

13) Mummify a Hot Dog

Have you ever wondered about the science behind mummification? This fun experiment lets you preserve a hot dog for as long as you like and watch the changes it undergoes as it desiccates. Pro tip: if you want to eat a hot dog, stick to boiling it.

• Learn more: Mummify a Hot Dog

14) Make a Balloon-Powered Car

One of our favorite easy science experiments for kids, this engineering challenge asks you to design a car powered by air escaping from a balloon. Use household items and see how creative you can get with design!

• Learn more: Balloon-Powered Car

15) Make a Glass Bottle Xylophone

A great way for young scientists to learn about volume and pitch, this experiment shows kids how sound changes depending on how full a bottle is. A great one-day challenge, this experiment requires just a few supplies: bottles, water, and food coloring.

• Learn more: Glass Bottle Xylophone

16) Anti-gravity Ping Pong Experiment

One of the most mesmerizing science experiments for kids, this activity allows anyone to break the law of gravity. All you need is a bottle of water and a ping-pong ball. When you invert them, you’ll see something magical.

• Learn more: Anti-gravity Ping Pong Experiment

17) Apple Slice Oxidation Experiment

Your kids likely already know apple slides turn brown when left out, but this experiment lets fledgling scientists discover how variables impact oxidation. To run this experiment, kids immerse apple slices in a variety of liquids you already have in your pantry.

• Learn more: Apple Slice Oxidation

18) Make a Bubble Snake

A bubble snake maker is not your average bubble wand. An easy chemistry activity with a big payoff, this experiment lets you blow out a long snake-like strand of bubbles. For a fun group competition, see who can make the longest snake!

• Learn more: Bubble Snake

19) Turn Milk into Plastic

It may sound implausible, but you can use regular milk from your refrigerator to make DIY plastic. This experiment uses a few simple chemistry techniques to make plastic that kids can mold into toys and figurines.

• Learn more: Milk Plastic

20) DIY Lava Lamp

Not only is it fun to look at, this DIY lava lamp experiment teaches kids about density and molecule polarity. Although the lava lamp comes together in just a couple minutes, it’s an experiment that you can put on display and enjoy for as long as you like.

• Learn more: Lava Lamp

21) Make Sticky Ice

Ever heard of sticky ice? It’s no trick, with just water and salt, you can lift a chunk of ice with a thin piece of string.

• Learn more: Sticky Ice

22) Build a Popsicle Stick Catapult

With just popsicle sticks and a few other items you likely have on hand, you can send small projectiles soaring across the room. We recommend launching marshmallows into a friend’s mouth.

• Learn more: Popsicle Stick Catapult

23) Make Your Own Sundial

No need to stare at the sun, this experiment offers a fun and easy way to discover how quickly the sun crosses the sky. With little more than a piece of cardboard and a pen, kids will be able to tell time with their own homemade sundial.

• Learn more: Sundial Experiment

24) Paper Chromatography

Curious to know what color dyes are used to make markers and candy? Color chromatography separates chemicals into their individual components so you can see the surprising rainbow of colors that goes into dyes.

• Learn more: Paper Chromatography

25) Make your Tea Bag Fly

Ever wished your tea bag could fly? Us neither, but it turns out flying tea bags are the making of a fun and surprising science experiment that teaches principles of heat energy.

• Learn more: Flying Tea Bag

26) Make Oobleck

Oobleck might sound like a word from an alien language, but it’s actually a mixture of cornstarch and water. When it’s poured, it acts like water. When it’s poked, it acts like a solid. A hands-on way to teach kids about states of matter, this experiment is great for all ages.

• Learn more: Oobleck

27) Test Your Sunscreen Strength

Curious to see how well your sunscreen blocks out the sun? No need to volunteer for a sunburn. With a few pieces of black construction paper and different strength sunscreens, you can test SPF effectiveness.

• Learn more: Sunscreen Experiment

28) Walking Water Experiment

Humans may not be able to walk on water, but young scientists can make water walk through this colorful experiment. This activity shows how water travels from one cup to another through capillary action. As a bonus, this experiment uses food dye to teach kids the basics of color theory.

• Learn more: Walking Water

29) Build a Balloon Rocket

An easy introduction to propulsion, kids of any age can make their own balloon rocket at home. For a fun group activity, have each kid decorate their own balloon and race them across the room.

• Learn more: Balloon Rocket

30) Experiment with Straws

Are two straws better than one? A great activity for little kids, this experiment shows how an enclosed atmosphere responds to pressure. All you need is a few bottles, some straws, and some tape.

• Learn more: Straw Experiment

31) Make a Magnifying Glass from Ice

Trying to read the small print? Ditch your magnifying glass and use ice instead. Using just distilled water and a spherical mold, this experiment teaches kids about refraction and angular magnification.

• Learn more: Ice Magnifying Glass

32) Make Colorful Flowers

One of the most tried and true science experiments for kids, this experiment shows how flowers carry water up to their petals. With a handful of white flowers and some food dye, you can watch a rainbow bloom.

• Learn more: Colorful Flowers

33) Pop a Balloon with an Orange Peel

Everything you thought you knew about popping balloons is wrong! Even though oranges aren’t sharp, a chemical compound called limonene found in orange peels can make a balloon pop in mere seconds.

• Learn more: Pop a Balloon with an Orange Peel

34) Test the Saltiness of the Sea

A creative way to learn about density and buoyancy, this experiment tests how salty water needs to be to make an egg float. Next time you visit the ocean, bring a jar with you and try this experiment at home.

• Learn more: Test the Saltiness of the Sea

35) Make Your Own Rain

For kids curious to know how clouds work, this activity offers a simple introduction to the concepts of evaporation and precipitation. Thanks to the transformative powers of a warm windowsill, kids will get to see the water cycle take place in a plastic bag.

• Learn more: Make Your Own Rain

36) Clean Up a Mini Oil Spill

An interactive way to teach kids about ocean science, this experiment allows kids to make and then clean up an oil spill. With vegetable oil, dish soap, paper towels, and a few other supplies, kids will get to experiment to determine the best way to clean up spills.

• Learn more: Oil Spill Cleanup

37) Keep a Paper Towel Dry Underwater

Ever tried to keep a paper towel dry underwater? Science can help make the impossible possible. One of the quickest science experiments for kids, this project uses an upside-down cup to show kids that even air has volume.

• Learn more: Dry Paper Towel  

38) Use a Crayon as a Candle

Did you know you can use a crayon as a candle in a pinch? A crayon burns for about half an hour, just enough time to arrive at your own hypothesis about what makes crayons flammable.

• Learn more: Crayon Candle

39) Make a Lemon Battery

It may sound crazy, but lemons aren’t just sour—they’re also powerful. A few household supplies will let you turn a common lemon into a battery.

• Learn more: Lemon Battery

40) Model Eardrum

Did you know that sound is made of vibrations? This experiment helps kids visualize how our ear drums work. After stretching a piece of plastic wrap over a bowl, kids can place grains of rice on the surface. When they make a loud noise, the rice will jump and showcase soundwaves in action.

• Learn more: Model Eardrum

60 Easy Science Experiments for Kids—6th-12th Grade Experiments

41) design a ball launcher.

With this fun engineering experiment, you’ll use household supplies to design a catapult for a small ball or marble. For an extra challenge, design a receiver to catch the ball without letting it escape.

• Learn more: Ball Launcher and Receiver

42) Use Cabbage to Learn the pH Scale

An inventive way to learn about acids and bases, this experiment uses red cabbage to test the pH level of household foods and chemicals. Kids will see how chemicals of different acidity levels change the color of the cabbage from bright fuchsia to blue.

• Learn more: pH Scale Cabbage Test

43) Tallest Paper Tower Competition

A classic experiment for future civil engineers, you’ll design the tallest tower you can using only paper. The catch is: it needs to be strong enough to hold a heavy weight on top. This easy science experiment for kids is great for a group.

• Learn more: Tallest Paper Tower

44) Design a Paper Ball Run

Using just paper and tape, design and create a ball run that carries a marble from top to bottom. The twist: you need to make your ball run as slowly as possible.

• Learn more: Paper Ball Run

45) Make a Paper Airplane Launcher

Ever feel like your paper airplanes don’t travel very far? Science can step in to help. A great lesson in motors, engineering design, and aerodynamics, this experiment is perfect for future engineers.

• Learn more: Paper Airplane Launcher

46) Rising Water Experiment

One of the most fascinating science experiments for kids, this activity uses a candle, water, and a glass to make water rise like magic. Younger kids will marvel at the trick, older kids will learn foundational concepts of chemistry and physics.

• Learn more: Rising Water

47) Make a Mini Robot Bug

A great introduction to robotics, this mini robot is an engaging project for tweens and teens. With a clothespin, a couple batteries, and a tiny vibrating motor, you can make a robot that moves around your desk.

• Learn more: Mini Robot Bug

48) Dry Ice Bubbles

A hands-on way to learn about sublimation and chemical change, making dry ice bubbles can be your new best party trick. It requires a few pieces of special equipment (a funnel and a tube) but the supplies are affordable and the payoff is huge.

• Learn more: Dry Ice Bubbles

49) Build a Simple Electric Motor

Have you ever wondered how motors work? This simple, battery-powered motor project lets you experiment with design to see how variables affect motor rotation.

• Learn more: Simple Electric Motor

50) Crush a Can with Air Pressure

A hands-off way to manage your recyclables, this experiment uses heating and cooling to magically crush a can.

• Learn more: Air Pressure Can Crush

51) Make a Light Maze for Plants

Do you dare to control Mother Nature? With a cardboard box and a seedling, you can become as powerful as the sun and study how plants grow toward the light.

• Learn more: Light Maze

52) Discover What Makes Ice Melt Quickest

If you live somewhere with snowy winters, you probably know how important it is to make ice melt fast. This experiment lets you discover what material makes it melt the quickest. After you reach your conclusion, feel free to run further tests on icy sidewalks.

• Learn more: Make Ice Melt Quickly

53) Design a Water Bottle Rocket

Got an empty soda bottle lying around? Then you’re ready to make your own water bottle rocket. A perfect experiment for a hot summer day, this experiment offers a hands-on way to learn about physical propulsion.

• Learn more: Water Bottle Rocket

54) Watch Water Split

Did you know water is actually a chemical compound made from two different molecules? This experiment splits one element from the other, proving that water is made not from one element, but two: hydrogen and oxygen (H2O).

• Learn more: Splitting Water

55) Make Your Own Boba

For a science experiment that’s as fun as it is tasty, try making your own boba at home. This experiment studies how acids affect the ability of different foods to transform into boba, a process called spherification.

• Learn more: Make Boba

56) Build a Solar Oven

Just in case you’re ever stranded on a desert island, you’ll want to know how to build a solar oven. This fun culinary experiment lets you roast your own s’mores using a pizza box and aluminum foil.

• Learn more: Solar Oven

57) DIY Lighted Grow Box

Want to keep your outdoor plants happy all year long? Cultivate your green thumb by building an indoor, lighted grow box.

• Learn more: Grow Box

58) Make a Funnel Roll Uphill

This experiment teaches kids about the center of gravity in an illustrative, engaging way. Using two funnels and some wooden boards, this optical illusion gives kids a deeper understanding of an important scientific principle.

• Learn more: Uphill Funnell Roll

59) Create a Graphite Circuit

Did you know that you can use a pencil to create an electric circuit? Simply by doodling on a piece of paper, you can make a battery light up an LED bulb.

• Learn more: Graphite Circuit

60) Make Fruit Ripen Faster

Tired of waiting for fruit to ripen? With this kitchen experiment, test the best method for accelerating this sweet natural process.

• Learn more: Ripen Fruit

60 Easy Science Experiments for Kids—More Resources

Hungry for more science learning? Check out these articles:

• 101 Topics for the Science Fair
• How to Write a Lab Report – with Example/Template
• Best Environmental Science Summer Programs for High School Students
• Computer Science Competitions for High Schoolers
• 10 Easiest and Hardest Science Majors
• 60 Team-Building Activities for Kids and Teens
• 141 Fun, Weird, and Interesting Facts
• Teacher Tools

Christina Wood

Christina Wood holds a BA in Literature & Writing from UC San Diego, an MFA in Creative Writing from Washington University in St. Louis, and is currently a Doctoral Candidate in English at the University of Georgia, where she teaches creative writing and first-year composition courses. Christina has published fiction and nonfiction in numerous publications, including The Paris Review , McSweeney’s , Granta , Virginia Quarterly Review , The Sewanee Review , Mississippi Review , and Puerto del Sol , among others. Her story “The Astronaut” won the 2018 Shirley Jackson Award for short fiction and received a “Distinguished Stories” mention in the 2019 Best American Short Stories anthology.

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Easy Science Experiments for Kids

31 simple, cool and fun experiments to try at home..

Home >> Home School Science >> Easy Science Experiments

Who says that it is hard to do science when you are homeschooling? There are lots of simple, quick and easy experiments that don't need a lot of expensive equipment - but still give great results.

Why not try these 31 fun science experiments - one a day for a whole month. Although they are quite simple to try, they will help you cover a lot of scientific principles in your homeschool lessons.

We enjoyed our month of easy science experiments and I hope you do too!

Kids love to explore the world around them - but isn't it disappointing when you set up a science experiment for a home school lesson and it doesn't work?

The 31 easy science experiments listed here are all fun to try - with equipment you will easily find at home. They are simple and quick - but give great results.

You will be amazed at how working through these simple experiments will cover lots of different science principles - and to make it easy for you I have explained the experiments for you on a separate homeschooling-ideas.com page.

Why not try working through this easy science experiments list with a 'lesson' every day? I think you and your children will have fun discovering how things work! And how easy it is to study science!

Warning - some of these experiments involve lit candles. ALWAYS supervise children around fire.

• Mix some pepper and coarse salt together and place on a flat surface . Blow up a balloon and rub it on your hair! Now hold it over the salt/pepper mix. The pepper will separate out and stick to the balloon. Do you know why?
• Pour some full fat milk into a saucer and add some drops of food coloring in different places around the milk . Pour a drop of washing up liquid into the center of of saucer and see what reaction you cause.
• Make a drawing with different colored felt pens on blotting paper (black works very well for this). Dip the bottom of the blotting paper into a bowl of water and allow the wet to rise through the paper onto your drawing. What happens?
• Place a white carnation into water containing a few drops of food dye . Watch the flower 'drink' the color into it's petals - you should start to see a change in the color in about 30 minutes or so.
• Roll a piece of paper into a tube and look through it with your right eye . Hold your left hand open with your palm in front of your left eye - still looking through the tube with your right. You will find you have a hole through your hand!

• Place a lit candle in a saucer of water, then place a glass jar over the top of it (so the rim of the jar sits in the water). The water will be sucked up inside the jar. The candle will burn for a while then go out. Do you know why this happens?
• Place 1 tablespoon of baking soda into a bowl . Pour in some vinegar. What reaction takes place?
• Place a heavy coin into a small matchbox tray, then float both in a glass of water . Mark the level of the liquid on the glass. Will the level rise or fall when you remove the coin from the box and place it in the water?
• Hold a metal sieve over a candle flame . You will see that the flame reaches to the wire but does not go through it. Why?
• Use lemon juice or vinegar to write a message onto paper . Hold it (carefully - keep the paper moving) over a flame to cause the message to appear.
• Fill a glass full of dried peas then pour in water up to the brim. . The pile of peas slowly becomes higher and begins to fall out of the glass. Note - I have seen this experiment done by standing the glass on a tin tray - the peas make quite a noise as they fall!
• Blow up a balloon and stick tape on two opposite sides . Now carefully push a knitting needle through the sticky -taped sections. Why doesn't the balloon burst?
• Place a ping-pong ball inside a large jar of water . If you hold a tall glass upside down over the ping-pong ball and push down, will the ping pong ball stay where it is, or move?
• Pour some white vinegar into a bowl and add a spoonful of baking soda . Wait until the fizzing stops. Now light a candle and move the flame towards the vinegar. The flame will go out before it gets there. Why?
• Here is a fun and easy pepper experiment . Sprinkle lots of pepper over the surface of a bowl of water. Put some soap onto your finger and place this in the center of the pepper. What does the pepper do?
• This is a great experiment from CandyExperiments.com . Drop M&Ms or Skittles letter side up into some water. After a few minutes watch for the floating letters! (And be sure to check out her other easy science experiments while you are there!).
• Fill a glass with a clear fizzy drink (sprite, lemonade or sparkling water) . Add a handful of raisins. Watch for several minutes. What happens to the raisins?
• Put some ice in a bowl and some grains of rice on the counter next to it . Put your hand in the bowl for 30 seconds. Try to pick up the rice. Why is it so hard?
• Fill 3 bowls of water - one should be very warm, one room temperature, and one cold. . Place one hand in the warm water bowl and one in the cold. After a minute, place both hands in the room temperature bowl. How do they feel?
• Put a pinch of salt on top of an ice cube and leave it in a cold place for 10 minutes . What happens?
• Fill a glass with water . Put a needle onto a small piece of tissue paper and lay it gently onto the surface of the liquid so that it floats. What happens next?
• This experiment works best with an open type mushroom (ie. not a button mushroom). Cut the stem off the mushroom and place it face down on a piece of paper for a couple of hours. When you lift the mushroom you will see the spore pattern left on the paper.
• Half fill a glass with water . Dip your (clean!) finger in the water and run it round and round the rim of the glass. You should get a musical note. How does this happen?
• Make slime! My Silly putty recipe includes the science behind it.
• Make a whirlpool in a bottle . Take 2 empty plastic bottles and fill one of them 3/4 full with water. Tape the neck ends of the bottles together tightly. Turn the bottles so the liquid filled one is on top and give the bottles a swirl. You will cause the water to move in a circle and cause a tornado.
• Place some room temperature or warm double cream in a clean jar and screw on the lid . Begin shaking the jar. The cream will churn and separate into butter and buttermilk.
• Place a lit candle behind a box. Stand in front of the box and try to blow out the candle. What happens if you replace the box with a bottle and try again?
• Try an easy this sticky rice experiment from the BBC.
• Here is a great experiment on crushing sugar in the dark to cause flashes of luminous blue light. Be sure to read the directions carefully.
• Make a rubber egg . This easy experiment takes a few days. Place a raw egg (in it's shell) in a jar and cover with white vinegar. Leave for 2 or 3 days. Your egg will turn rubbery. Why?
• Choose one of my 31 Easy Water Experiments for Kids for your last day of experimentation!

These easy science experiments are just the beginning! Get into the habit of trying something new each day to see what happens. Encouraging your children to ask 'What if' is a great gift that they will come to appreciate!

I hope these easy science experiments are helpful to you in your homeschool science!

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20 Simple Science Experiments for Kids

January 4, 2020 By Emma Vanstone 1 Comment

These simple science experiments are perfect for a rainy day or when you need a quick and easy activity idea to keep the kids busy for an hour or so. They don’t need much prep or thought beforehand and are easy to set up and explain.

Don’t forget I also have a couple of science books available too! I’d love you to take a look.

Simple Science Experiments for Kids

Magic milk experiment.

Try a fun magic milk experiment . Younger children will love watching the colours shoot across the surface of the milk, while older children can use the experience to learn about emulsions.

Easy Rain Gauge

Monitor rainfall with an easy rain gauge . All you need for this one is an empty plastic bottle, scissors and somewhere outside to leave it.

Make a Naked Egg

This one requires some forward planning, but did you know you can remove the shell from an egg with vinegar ? Simply leave an egg soaking in vinegar for about 48 hours, and you should be able to rinse off the shell. Once you have a shell-less egg, see if you can bounce the egg without it breaking.

Find out how many of your own feet tall you are . Try this for all the members of your family and see if you can spot a pattern.

How do Polar Animals Stay Warm in Winter?

Discover how animals stay warm in cold climates using just cold water, a glove and some lard.

How Fast is your Reaction Time?

Test your reaction time using just a ruler. Test your friends and family and record their results, too. Try to think of ways to improve your reaction time.

Human Body Drawing – simple science experiments

Ask a friend to draw around you on a giant sheet of paper. How many body parts can you add to the drawing?

Snow Volcano!

If you want to make a volcano but don’t want the mess, a snow volcano is a simple alternative. Build a volcano shape around a plastic water bottle using snow. Add your explosive ingredients, and then tidy away the snow afterwards.

How do germs spread?

Find out about Florence Nightingale and how to keep hands clean with this super simple activity using hand soap and glitter.

Ice Excavations

Ice excavations can keep children busy for hours as they try to rescue a toy. Experiment with salt and warm water to see which helps the ice to melt the fastest.

Shadow Drawing

Try drawing 3D shadow shapes outdoors on a sunny day. You should find the shadow changes as the day progresses and the sun moves. Try drawing a shadow of the same shape every 2 hours during the day. What happens?

Build a Raft

Build a raft using different materials and test it to see how well it floats. How much weight can you add before your raft sinks?

Make Fossils

Make your own fossils using clay and small toy figures and learn about Charles Darwin at the same time.

Colour Mixing Slushy Drinks

Test your colour-mixing skills by making slushy drinks with coloured ice. Different colour smoothies work really well for this one.

Candy Towers

Build towers with blocks or sweets to learn about stable structures . This is also a fun activity for learning about earthquakes !

Density Jar – Simple Science Experiments

This very easy density jar is great for introducing the concept of density as well as sinking and floating.

What Reacts with Baking Soda?

Try some super simple chemistry by testing different substances to see which react with baking soda.

Make Red Cabbage Indicator

Making your own indicator is easier than you think. All you need is red cabbage, water and some substances to test.

More simple science experiments for kids

Give a balloon a beard with Go Science Girls!

Learn how to levitate a ping pong ball with Buggy and Buddy!

Mummify a hot dog with Science Buddies.

If you liked these experiments, you’ll love the rest of our huge collection of science experiments for kids !

Last Updated on January 5, 2024 by Emma Vanstone

Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

Reader Interactions

June 28, 2021 at 10:25 am

These are some really interesting experiments for kids to learn about new things. It can spark their enthusiasm towards various STEM fields. Thanks for sharing!

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100 Science Experiments for Kids that Use Materials You Already Own!

One of the best ways to inspire a love of science and learning in your kids is to introduce them to science experiments for kids  at an early age.

These science experiment ideas are all simple enough for elementary kids and are designed for kids in elementary school and are a good place to start when just starting out trying STEM activities for kids !

However, these science project ideas are easy enough to expand into something that would also work as a middle school science experiment and many of them can also be simplified for kids in kindergarten, preschool, and even for toddlers!

It’s never too early to start science experiments with kids.

Easy and Low-Cost Science Experiments for Kids

Try these easy and fun science experiments when you need a no-fuss science experiment for kids! You can’t fail with these science experiments for kids!

If this is one of your first times doing a science experiment, or teaching one, you’ll want to brush up on my guide on how to do science experiments . It’s not just about the flashy reaction!

Over 100 Low-Prep Science Experiments and Lesson Plans!

We love science, and this list of science projects will keep you busy with science activities for years! Did you know that the benefits of hands-on science experiments are scientifically documented? You can read all about the benefits of science experiments here.

And if you’re wondering, “Hey, what is a science experiment anyway?” then you can read all about that, too!

If you’re getting started with science, try these easy science experiments that even non-science teachers can easily do with kids.

If you’re more familiar with science, keep scrolling to get to the list of 100s of science experiments with dozens of themes!

Science Supplies for Teachers

If you are new to teaching science, you might not know exactly what supplies you’ll need throughout the year. If you don’t know where to start, check out my list of must-have supplies for science experiments, or you can browse the lists below to start shopping right away!

Elementary Science Kits for Kids

Here are some of our favorite science kits to do in the classroom as a group in elementary!

STEM Kits for 1st Grade

If you love science and STEM but don’t like hunting for supplies, we love the Mel Science kits. They have options for elementary and middle school, and each kit comes with all the supplies needed for each experiment!

Print a lot of papers? Get $10 your HP Instant Ink order when you use this link.

Science Experiment Topics from Geology to Biology

If you want to study a specific science topic, these science experiments are the place to start! From geology to weather, science is tons of fun when you pick the right topic!

Here is the list of my favorite elementary science topics. There are so many fun science themes and topics to chose from.

Easy Season Experiments to Make Science Fun Year-Round

Try these fun season experiments with seasonal twists for winter, spring, summer, and fall- and do science all year long! You can have fun with the season and learn with science all at the same time!

Here are the best winter science experiments perfect for kids of all ages.

When spring is around the corner, try these spring science experiments!

During the summer, don’t let science learning slip! Instead, do these summer science experiments .

And this fall, try some of the fun fall science experiments on this list.

Science Experiments by Grade

These experiments are curated with ages and grade levels of children in mind. There is so much science to learn at every stage and in every grade!

For the youngest scientist, try these preschool science experiments. Easy science projects will start them off right with a deep love of science from the start!

Science Fair Project Ideas

Entering a science fair? Here you’ll find all the science fair project ideas you need!

And here are some elementary science fair projects designed for kids in 2nd to 6th grade.

More Fun Science Themes for Kids

There are tons of fun science themes for kids that go beyond a science topic or season of the year. If you are looking for out-of-the-box science themes, then you’ll love this list of creative science themes for kids!

Get the list of our favorite science themes for kids right here! Find experiment ideas from mermaids and carnivals to gross science and candy science! You really can help any child fall in love with science with these create science theme ideas.

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Classroom Callouts

Where Education Meets Fun!

10 Easy Science Fair Experiments for Kids, Parents and Teachers

Welcome to our collection of 10 easy science fair experiments for kids ! These hands-on activities are perfect for sparking curiosity and making learning fun. Whether you’re a parent, teacher, or young scientist, these experiments—from erupting volcanoes to DIY lava lamps—are designed to be simple, engaging, and educational. With a little help from an adult, you can dive into the world of science and discover how exciting it can be.

1. Erupting Volcano Experiment

Introduction: Welcome to our exciting science fair project—creating your very own erupting volcano! This experiment is perfect for first and second graders to learn about chemical reactions in a fun and spectacular way. You’ll need an adult to help with some steps, so make sure to have a grown-up nearby!

Objective: To observe and understand the chemical reaction between baking soda and vinegar that causes a volcanic eruption.

• 1 small plastic bottle (500 ml)
• Baking soda (60 grams)
• Vinegar (200 ml)
• Dish soap (5 ml)
• Red food coloring (a few drops)
• Modeling clay or playdough (enough to cover the bottle and form a mountain)
• A tray or shallow container (to catch the overflow)
• Measuring spoons and cups
• Safety goggles (optional, for extra fun and safety)

Hypothesis: Predict what will happen when you mix baking soda, vinegar, and a few other ingredients in your model volcano. Do you think it will erupt like a real volcano?

• Place the plastic bottle on the tray. This is your volcano’s “magma chamber.”
• Use the modeling clay or playdough to shape a mountain around the bottle. Leave the top open so you can add your ingredients.
• Get creative with the shape and details of your volcano!
• In a separate cup, mix together 200 ml of vinegar, 5 ml of dish soap, and a few drops of red food coloring to create your “lava.” This will help make the eruption more colorful and bubbly.
• Pour the vinegar mixture into the bottle in your volcano.
• Add 60 grams of baking soda to the bottle and quickly step back to watch your volcano erupt!

Observation: Watch closely what happens when the baking soda meets the vinegar mixture. You should see a foamy and fizzy eruption that looks like lava flowing down the sides of your volcano.

Results: Record what you observed. Was the eruption slow and steady, or quick and explosive? How high did the “lava” flow?

Conclusion: Explain why the reaction happened using simple science. When baking soda (a base) and vinegar (an acid) mix, they create carbon dioxide gas, which builds up pressure until it forces the liquid out in an eruption. This is similar to what happens in a real volcano, where gases build up pressure underground.

Further Experimentation:

Try the experiment again using different amounts of vinegar or baking soda. Does changing the amounts change how your volcano erupts?

This experiment not only teaches you about chemical reactions but also lets you create a mini spectacle at home or at your science fair. Have fun being a young scientist and remember to clean up after your experiment!

2. Floating Egg Experiment

Introduction: Dive into the fascinating world of density with the Floating Egg Experiment! This simple yet intriguing project is perfect for first and second graders to explore how different solutions affect whether an object sinks or floats. This experiment will need a bit of adult help, so make sure you have a grown-up to assist you!

Objective: To understand how the addition of salt to water changes its density and affects the buoyancy of an egg.

• Tap water (about 500 ml)
• Table salt (about 60 grams)
• 1 large clear glass or jar
• Measuring spoons
• Stirring spoon

Hypothesis: Before you begin, think about whether you believe the egg will float in plain water and what might happen when you add salt to the water. Write down your guess.

• Fill the glass or jar with 500 ml of tap water.
• Gently place the raw egg into the glass of plain water and observe what happens. Does it sink or float?
• Remove the egg carefully.
• Add 60 grams of salt to the water. Stir well until the salt is completely dissolved.
• Once the salt is dissolved, gently place the egg back into the saltwater solution. Observe what happens this time.

Observation: Note down what you see. How does the egg behave in plain water compared to the saltwater?

Results: Record your findings. Did the egg float in the saltwater? Was there a difference in how it behaved in the plain water compared to the saltwater?

Conclusion: Explain why the results occurred based on density. In plain water, the egg sinks because its density is higher than that of plain water. When you add salt to the water, it increases the water’s density, making it denser than the egg, which now floats.

You can experiment further by changing the amount of salt added to the water or trying different liquids like sugar water. See how these changes affect the egg’s buoyancy.

This experiment not only teaches you about the principles of density and buoyancy but also shows you how different solutions can change the behavior of objects in water. Have fun experimenting, and remember to ask questions and think about why things happen the way they do!

3. Rainbow Milk Experiment

Introduction: Get ready to create a swirling rainbow with the Rainbow Milk Experiment! This visually stunning project is ideal for young scientists in the first or second grade to explore the effects of soap on milk and food coloring. You’ll need some help from an adult, so be sure to have one nearby!

Objective: To observe how dish soap interacts with the fat in milk, causing movement in the food coloring that creates a rainbow effect.

• A shallow dish or plate
• Whole milk (enough to cover the bottom of the dish)
• Food coloring (various colors)
• Cotton swabs
• A dropper or small spoon

Hypothesis: Think about what you expect to happen when you add dish soap to the milk with food coloring. Do you think the colors will move, mix, or stay still? Write down your guess.

• Pour enough whole milk into the dish to just cover the bottom.
• Carefully add drops of different food coloring to the milk. Place them around the dish but not too close to each other.
• Dip a cotton swab into dish soap, ensuring it’s not dripping but wet with soap.
• Gently touch the soaped swab to the surface of the milk in the center of the dish or near one of the food coloring drops.

Observation: Watch what happens when the soapy cotton swab touches the milk. Look for any movement of the food coloring and how it interacts with the milk.

Results: Record what you see. Describe the movement and mixing of the colors. How did the dish soap affect the behavior of the food coloring in the milk?

Conclusion: Explain the science behind what you saw. The soap breaks the surface tension of the milk and reacts with its fats, creating movement that pushes the food coloring around. This movement shows how substances like soap can change the physical properties of other liquids like milk.

Try the experiment again using different types of milk (like skim or 2%) to see if the fat content affects the reaction. You can also use different detergents or soaps to see if they cause different patterns or movements in the milk.

This experiment is not only a beautiful display of colors but also a great lesson in chemistry and physics, showing how different substances interact in surprising and colorful ways. Enjoy creating your milk art, and don’t forget to clean up when you’re done!

 4. Baking Soda and Vinegar Rocket

Introduction: Blast off into the world of chemical reactions with the Baking Soda and Vinegar Rocket Experiment! This exciting activity is perfect for first and second graders eager to see science in action. You’ll need some adult supervision, so make sure a grown-up is ready to help with the fun!

Objective: To demonstrate the reaction between baking soda and vinegar and observe how this reaction can propel a homemade rocket.

• 1 small plastic film canister with a tight-fitting lid (or any small container with a pop-on lid that seals well)
• Baking soda (5 grams)
• Vinegar (30 ml)
• Tissue paper
• Safety goggles (to protect your eyes)
• An open space for launching your rocket (like a backyard or park)

Hypothesis: Predict what will happen when baking soda and vinegar mix inside your rocket canister. Think about how it might affect the canister and what the reaction will be like. Write down your prediction.

• Go outside or to a well-ventilated area where you can safely launch the rocket.
• Wrap the 5 grams of baking soda tightly in a small piece of tissue paper. This packet will help delay the reaction, giving you time to close the lid.
• Pour 30 ml of vinegar into the film canister.
• Quickly drop the baking soda packet into the canister with vinegar.
• Snap the lid on tightly and quickly place the canister on the ground, lid side down.
• Step back and watch what happens!

Observation: Observe the canister as the reaction happens. What do you see and hear? How high does the rocket go?

Results: Record the outcome of your experiment. Was the launch successful? How high did your rocket fly? Did it happen as you predicted?

Conclusion: Explain why the rocket moved. The reaction between baking soda (a base) and vinegar (an acid) produces carbon dioxide gas. This gas builds up pressure inside the canister until the lid pops off, pushing the rocket into the air. This is an example of Newton’s Third Law of Motion: for every action, there is an equal and opposite reaction.

Experiment with different amounts of vinegar and baking soda to see if it affects how high your rocket goes. You can also try different sizes of containers to see how they change the reaction.

This experiment is not only a thrilling demonstration of a chemical reaction but also a fun way to learn about forces and motion. Make sure to conduct it in a safe environment and wear your safety goggles to protect your eyes. Enjoy your scientific journey into rocketry!

5. Magnetic Magic – Magnetic Poles and Fields Experiment

Introduction: Explore the invisible world of magnetism with this engaging experiment! Perfect for first and second graders, this activity will help you understand how magnets work, focusing on the poles and the magnetic fields they create. You’ll need some common items from home or school and the help of an adult to guide you through.

Objective: To explore and visualize the magnetic field lines around bar and horseshoe magnets and understand the interactions between the different poles of magnets.

• 1 bar magnet (with North and South poles labeled)
• 1 horseshoe magnet (with North and South poles labeled)
• Iron filings
• A sheet of white paper
• A tray or cardboard to contain any mess
• A compass (optional, for further exploration)

Hypothesis: Before you start, think about what you might see when you sprinkle iron filings around the magnets. What do you think will happen when the North pole of one magnet is near the South pole of another? Write down your guess.

• Place the sheet of white paper on the tray or cardboard to keep your workspace clean.
• Lay the bar magnet and the horseshoe magnet on the paper. Start with them a good distance apart so their fields don’t overlap immediately.
• Gently sprinkle iron filings around and between the magnets. Be careful not to bump the table as the filings align themselves along the magnetic field lines.
• Look at how the iron filings arrange themselves around each magnet. Notice the patterns they form. These lines show the magnetic fields emanating from the poles.
• Slowly move the North pole of one magnet towards the South pole of the other. Observe how the iron filings react. Do the same with like poles (North to North or South to South) and note any differences.

Observation: Record what happens to the iron filings as you move the magnets. How do the patterns change? What does this tell you about how the magnetic poles interact?

Results: Describe the arrangement of iron filings and what it indicates about the magnetic fields. Note any changes when different poles are near each other.

Conclusion: Explain your observations in terms of magnetic poles and fields. Magnets attract when opposite poles are near each other and repel when like poles are close. The iron filings align themselves along the lines of magnetic force, visibly showing the shape of the magnetic fields.

Try using a compass to see how the needle aligns with the magnetic fields. You can also test different materials to see if they are influenced by the magnets, like clips, aluminum foil, or copper wire.

This experiment not only teaches you about magnetism but also lets you see the invisible forces at play. Have fun exploring and always make sure to clean up your space when you are done!

6. DIY Lava Lamp Experiment

Introduction: Ready to light up your curiosity with a colorful DIY Lava Lamp? This experiment is fantastic for young scientists in first or second grade to explore the interactions between oil, water, and effervescent tablets. This safe and simple project is sure to dazzle and teach important scientific concepts with a bit of adult help.

Objective: To understand the effects of density and chemical reactions by creating a homemade lava lamp.

• 1 clear plastic bottle (1 liter)
• Water (about 400 ml)
• Vegetable oil (about 600 ml)
• Food coloring (any color you like)
• Effervescent tablets (like Alka-Seltzer)
• Flashlight (optional, for effect)

Hypothesis: Think about what will happen when you mix oil, water, and the effervescent tablet in the bottle. Predict how the ingredients will interact and what will happen when you add the tablet.

• Fill the clear plastic bottle with 400 ml of water.
• Slowly pour 600 ml of vegetable oil into the bottle, allowing it to layer on top of the water.
• Add a few drops of food coloring to the bottle. The drops will pass through the oil and mix with the water below.
• Break an effervescent tablet into a few pieces.
• Drop one piece into the bottle and watch as the lava lamp effect begins. The tablet reacts with the water to create gas bubbles that rise and fall through the oil.
• Shine a flashlight through the bottom of the bottle to enhance the visual effect, especially in a dim room.

Observation: Watch the bubbles of colored water rise and fall in the oil as the gas bubbles form and pop. Note how the oil and water do not mix.

Results: Describe what you see when the effervescent tablet reacts in the water and how it affects the oil and water mixture.

Conclusion: Explain the science behind the lava lamp. The water and oil separate due to their different densities, with oil being less dense and sitting on top of the water. The effervescent tablet reacts with the water to create carbon dioxide gas, which carries the colored water up through the oil until the gas escapes at the top.

Try using different amounts of oil or water, different colors of food coloring, or different types of effervescent tablets to see how it changes the reaction.

This experiment not only makes for an eye-catching display but also helps understand concepts like density, solubility, and gas formation. Have fun watching your very own lava lamp glow!

 7. Dancing Raisins Experiment

Introduction: Get ready to watch raisins dance in this fun and simple science experiment perfect for young students in first or second grade. This activity demonstrates the principles of buoyancy and gas production in a way that’s both entertaining and educational, with just a bit of adult supervision needed.

Objective: To observe and understand why raisins move up and down in a fizzy liquid due to the formation of gas bubbles.

• 1 clear glass or transparent plastic cup
• Plain water (enough to fill the glass three-quarters)
• Carbonated clear soda (enough to fill the glass)
• Several raisins (4-6)
• A stopwatch or timer (optional, to record the duration of the dance)

Hypothesis: Before starting, predict what will happen when you drop raisins into the soda. Do you think they will sink, float, or dance? Write down your guess.

• Fill the glass three-quarters with plain water and top it off with carbonated soda to make the liquid fizzy.
• Carefully drop 4 to 6 raisins into the glass of fizzy liquid.
• Watch what happens to the raisins for the next few minutes. Observe how they move in the glass.

Results: Record your observations. Do the raisins sink, float, or dance up and down? How long do they continue moving?

Conclusion: Explain the results using the concept of buoyancy and gas production. The carbon dioxide bubbles from the soda attach to the rough surface of the raisins, making them buoyant enough to rise to the surface. Once they reach the top, the bubbles pop, and the raisins sink again. This cycle repeats, causing the dancing effect.

Experiment with different carbonated drinks or try other small, dried fruits or objects like corn kernels or small pasta shapes to see if they also dance. Explore how temperature affects the rate of dancing by using cold versus room temperature soda.

This experiment is a fantastic way for kids to visually grasp scientific concepts and enjoy the magic of simple chemical reactions. It’s perfect for a science fair project or a classroom activity!

8. Color-Changing Carnations

Introduction: Discover how flowers drink water with the Color-Changing Carnations Experiment! This visually stunning activity is perfect for first and second graders to learn about plant biology and capillary action in a fun and colorful way. It’s a simple experiment that requires some adult supervision.

Objective: To demonstrate how plants absorb water and nutrients up through their stems, using carnations and colored water.

• White carnations (several, depending on how many colors you want to test)
• Clear glasses or vases (one for each color)
• Food coloring in various colors
• Scissors (to be used by an adult)

Hypothesis: Predict what will happen when the carnations are placed in colored water. Which colors do you think will show up best in the petals?

• Have an adult trim the stems of the carnations at an angle to allow them to absorb water more efficiently.
• Fill each glass or vase with water and add about 20 drops of food coloring to each, choosing different colors for each container.
• Stir the water to evenly distribute the color.
• Place one carnation in each colored water vase.
• Observe the carnations daily to see how the color travels up the stem and changes the color of the petals.

Results: Record your observations over several days. Note the changes in the color of the petals and how quickly each color appears.

Conclusion: Explain how capillary action works in plants, drawing water and nutrients up through tiny tubes in the stem. The food coloring shows this process visually, changing the color of the carnations’ petals.

Try using different liquids like sports drinks or diluted inks to see if they affect the flowers differently. Experiment with other white flowers to see if they absorb colors faster or slower than the carnations.

9. Invisible Ink

Introduction: Send secret messages with the Invisible Ink Experiment! This project is a fantastic way for first and second graders to learn about chemical reactions and the properties of acids and bases, with just a bit of adult supervision for safety.

Objective: To use a natural acid (lemon juice) to write invisible messages that appear only when heated.

• Spoon or brush
• White paper
• Heat source (light bulb or hair dryer; an adult should handle this part)

Hypothesis: Guess what will happen when you heat the paper that has lemon juice on it. How do you think the message will appear?

• Squeeze lemon juice into a bowl and add a few drops of water.
• Dip the spoon or brush into the lemon juice mixture and write a message on the white paper.
• Allow the paper to dry completely, making the message invisible.
• Have an adult help you heat the paper using a light bulb or hair dryer. Watch as the message slowly appears.

Results: Record what happens when the paper is heated and how clearly the message shows up.

Conclusion: Explain why the lemon juice message appears when heated (lemon juice, being acidic, weakens the paper fibers slightly and caramelizes when heated, making it visible).

Experiment with other natural acids like orange juice or vinegar. Try different heating methods or papers to see which reveals the message most effectively.

10. Homemade Slime Experiment

Introduction: Get ready for gooey fun with the Homemade Slime Experiment! This engaging and tactile project is great for first and second graders to learn about polymers and non-Newtonian fluids. Adult supervision is recommended, especially when handling chemicals.

Objective: To create slime using simple household ingredients and explore its unique properties.

• White school glue (about 120 ml)
• Borax powder (2 teaspoons)
• Water (two cups)
• Food coloring (optional)
• Mixing bowl

Hypothesis: Predict what will happen when you mix glue, borax, and water. What kind of texture do you think your slime will have?

• In a mixing bowl, combine 120 ml of white glue and one cup of water. Add a few drops of food coloring if desired.
• In another container, dissolve 2 teaspoons of borax in one cup of warm water.
• Slowly add the borax solution to the glue mixture, stirring continuously.
• Keep stirring until the slime begins to form and pull away from the sides of the bowl.
• Take the slime out and knead it with your hands until it reaches the desired consistency.

Results: Describe the texture and behavior of your slime. Is it stretchy? Does it bounce?

Conclusion: Discuss the chemical reaction between the glue and borax that creates a polymer, which gives the slime its unique properties.

Try adding different amounts of borax or glue to see how it changes the slime’s properties. Add glitter, beads, or small toys to create different types of slime.

Each of these experiments offers a fun, educational way to engage with basic scientific concepts, perfect for young learners eager to explore the world through science.

That’s a Wrap!

Science is all about curiosity, discovery, and having fun while learning how the world works. Through these 10 experiments, young scientists have not only created colorful reactions and gooey slime but also gained a deeper understanding of important scientific principles. Whether it was watching a volcano erupt, making an egg float, or exploring the magnetic fields, each experiment has shown that science is everywhere—even in the simplest things around us. As you continue to explore and experiment, remember that the journey of discovery is just beginning. Keep asking questions, keep experimenting, and most importantly, keep having fun with science!

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