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Coffee Filter Chromatography

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Learn about chromatography with this simple science experiment! You only need a coffee filter or paper towel, water and a washable black marker. Kids will love to see the ink travel in this science experiment.

RELATED: Grow a Rainbow Experiment

Coffee Filter Experiment with Black Markers

Coffee Filter Chromatography Experiment For Kids

Kids will love seeing the black marker separate into different colors in this simple science experiment! You can use either paper towels or coffee filters, or try both to see what happens!

Black Marker Experiment

Supplies Needed

Here’s what you need for this activity:

  • Paper Towel or Coffee Filter
  • Washable Black Marker (we used Crayola)
  • 2 Small Glasses or Plastic Cups

Coffee Filter Experiment

Watch The Full Video Tutorial Here

Coffee Filter Science Experiment

What is the Science

Chromatography

This science experiment is a great example of chromatography. Chromatography is the process of separating out a mixture of chemicals. In this experiment, you will see the black ink separate into different colors. If you ever get a paper with ink wet you would have seen the ink move across the page in streaks. In this experiment, you should see blue, red/burgundy and a bit of green come out of the black ink.

Capillary Action

Capillary action makes the marker dye move up the paper towel or coffee filter.  The water moves upward through the paper towel or coffee filter, lifting the washable dye molecules with it. Because the washable markers are water-based, they disperse in water.

Make it a Science Experiment

Set up a few different scenarios and hypotheses. For example, if you were to try this experiment without any dye, you would still see the water rising upwards towards the center of the paper towel.

If you were try this experiment with permanent markers it would not work. This is because the markers are not water-based (they are alcohol-based) so the dye in the marker does not travel with the water. You can also show that permanent markers will disperse with rubbing alcohol but not with water.

  • You need absorbent paper towel or napkin – we used the brand Bounty
  • You must use washable markers – make sure to check it’s washable as not all Crayola brands are washable
  • Do not place the end of the paper towel or coffee filter too deep into the water or the dye will dissolve into the water instead of traveling up the paper towel

Black Marker Chromatography Experiment

Chromatography Experiment Instructions

For the coffee filter experiment:

Draw a circle in the center of the coffee filter. Make sure you make it a thick circle with plenty of ink so that there is enough ink to move up the coffee filter.

Add Black Marker Circle to Coffee Filter

Fill a cup with about 1/2 an inch of water, or just enough for the non-inked portion to touch the water. You don’t want the black marker to be submerged in the water.

Get Water in Cup

Fold the coffee filter and place it in the water, tip side down.

Put Coffee Filter into Water

Do not place the end too deep in the water or the dye may dissolve into the water instead of moving up the coffee filter.

The washable marker dye will slowly make its way up the coffee filter and the colors will begin to separate.

Unfold the coffee filter to reveal a beautiful design!

Coffee Filter Chromatography Science Experiment

For the paper towel experiment:

Cut a paper towel down to a smaller length.

Fold over the strip of paper towel (so you have 2 pieces on top of each other).

Draw a thick line of black marker about 2 inches from the end of the paper towel. Make sure you use plenty of black ink so that there is enough to move up the paper towel.

Add Black Marker to Paper Towel

Put about 1 inch of water into a cup.

Place the end of the paper towel in the cup of water. Prop the opposite end of the paper towel on an upside down cup to keep it upright.

Add Paper Towel into Water

The black washable marker dye will slowly make its way up with the water and separate into different colors.

Experiment with Black Marker

We love how simple this science experiment is!

You can expand on the learning by testing with different kinds of markers – like a permanent marker or dry erase marker. You can also try our grow a rainbow experiment (for more capillary action) or our dry erase experiment!

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Rainbow Marker Coffee Filter Experiment

Not only is this coffee filter science for for the kids, adults will love it too! It’s pretty magical to watch the rainbow of colors come alive through this experiment!

We’re using  coffee filters and markers to make amazing tie-dye  rainbow colors! Markers, coffee filters, and water – that simple! It’s such a fun color rainbow marker experiment with kids, my girls were going gaga for it! Now we have all sorts of beautiful colored coffee filters to craft with!

Rainbow Marker Coffee Filters

I first found this idea over at  Buggy and Bunny  and their Chromatography Color Experiment . We had to try it… but we put our own spin on it – rainbow style! Although honestly, as much fun as these rainbow markers are for the color, Buggy and Bunny  uses black and brown and they give the best colors, all swirly. Be sure to go check those out. My girls are itching to craft those colors next!

Watch the How-to Video

  • white coffee filters
  • markers in rainbow colors
  • small glass jar or drinking cup

Instructions:

1. Color a large circle with your marker onto your coffee filter. Add the circle of color just at the base of the lines on the filter, there’s that round area at the bottom. This way your marker won’t bleed too fast and make the water color the whole filter one color instead of tie-dye! TIP: do this over newspaper as the markers can bleed.

2. Fold your coffee filter in half. Fold it in half again and again – quartered. This will expose that white un-markered center at the point.

3. Fill your glass with 1-2 inches of water. Make sure only the tip of the filter is touching the water.

The water travels fast, within just a few minutes, you’ll have this look pictured below! It’s amazing to watch!

I talked to my kids about the process of water with the filter, and how the color can travel and spread through the filter with an agent like water. 

We did this for each of our rainbow marker colored coffee filters!

I was laughing through documenting these because after every photo I took, the water would travel more and more and more. I had to hurry to take a before and after pic!

Here they each are at the start…

…and here they are 30 minutes later! I think the purple is my favorite!

4. Once you have your filters colored as much as you’d like, about 30-40 minutes, take them out of the water and let them dry on newspaper.

They actually don’t take too long to dry. You can pick them up after a little bit and wave them or blow on them. After an hour we had rainbow coffee filters to craft with!

Now you have your colored coffee filters, here are a few ideas for crafting with them!

More Rainbow Marker Ideas

  • Make these Coffee Filter Snowflakes
  • How cute are these Coffee Filter Butterflies?
  • Coffee Filter Flowers – fold them in half, crinkle them up and twist the bottom. Instant flower!

*Originally posted 2/25/15

coffee filter experiment colors

Marie is a mom of 3 living in Seattle, WA. She's been the founder and managing editor of Make and Takes for the last 16 years, sharing DIY tutorials for home, family, and fun. Author of Make and Takes for Kids , Early Childhood and Elementary graduate, and currently teaching 2nd grade in Seattle!

Thank you for a simple experiment but yet gives a HUGE effect.

Make and Takes

coffee filter experiment colors

Coffee Filter Flowers – Chromatography Science Experiment for Kids

This chromatography science experiment for kids is simple way to learn about separating colors using markers and coffee filters.

coffee filter experiment colors

Chromatography Science Experiment

This fun science activity is a great way for kids to explore chromatography in a simple, easy way.

You only need a see-through cup, coffee filters, markers and some water for this activity.

Some markers work better than others. We found that the thicker they are, the better they work. We like using Mr. Sketch markers for this experiment.

As always, make sure you supervise the kids and be sure to ask questions about what they think will happen with each of the ink colors. 

Make sure you scroll all the way down to get the explanation of how this works and to see the video demonstration.

coffee filter experiment colors

Instructions for Chromatography Science Activity

Supplies Needed:

  • Coffee Filter

*Tip: You may want to use 2 filters together if the water is not rising up the filter fast enough.

coffee filter experiment colors

  • Fill a clear cup with water. Fill it about 1/3 full. Make sure you have enough water for the filter to absorb. 
  • Grab a coffee filter and draw a circle on it. Outline the circle 2 or 3 times at least to make sure it has enough ink.
  • Fold the coffee filter in half once, and then in half a second time. Make sure there is a good point at the bottom.
  • Spread the top of the filter out a little so the filter doesn’t fall in the water. Then insert the tip into the water. Make sure the marker part of the filter is not put into the water in the glass cup. It helps to have a glasses that are pretty small. Our glasses were even a bit too big.
  • Watch the filter absorb the water and the colors move up the filter! This will take some time, but is fun to watch and see what colors come from each different marker!

coffee filter experiment colors

The kids definitely loved this science activity! They enjoyed trying different ink colors to see which combination of colors came from each. This activity kept them entertained for over an hour as they tried different combinations.

coffee filter experiment colors

Video of Chromatography Science Experiment

How does this simple science activity work.

Chromatography is the separation of a mixture by passing it through a medium in which the components move at different speeds.

In our science activity, the medium is the coffee filter which allows kids to see the particles traveling at different speeds and the separation of the colors.

Chromatography has two phases. A mobile phase where a mixture is dissolved in the substance (water) and carried through the stationary phase. In our case, the stationary phase is the coffee filter.

The water carries the molecules up the water filter and the different molecules move at different rates. This causes the different colors that make up the ink to separate at different speeds and allows us to see the variations of color!

coffee filter experiment colors

Extend the Fun

The kids also extended the fun by trying multiple ink colors on one filter. They loved seeing all the different colors moving up the filter.

After they were done, they waited for all of the filters to dry and have used them in various craft projects since.

coffee filter experiment colors

This science activity would be a great addition to your simple science lessons and is a fun way for kids to learn about chromatography.

I hope you and the kids enjoy this exciting science experiment!

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This pepper and soap experiment is very simple to do, but always engages the kids!

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rookie parenting science

Coffee Filter Flowers Chromatography

Is black really black?

What happens when all the rainbow colors blend together?

We will be able to answer these questions after doing some science investigation .

In this experiment, we will use coffee filter to investigate color properties.

We will make a beautiful bouquet of flowers along the way, too!

It’s a combination of a coffee filter marker experiment and craft project .

Chromatography | Coffee filter flower craft and science experiment

Color Science & Art | Coffee Filter Flowers

In this experiment, we will learn how to do paper chromatography -- the separation of a mixture using a thin piece of paper (we used coffee filters).

Then, we'll use the results to make a beautiful flower bouquet. 

  • 7 coffee filters
  • washable markers in black and in rainbow colors (Do not use permanent markers as they don't work. We tried!)
  • 7 small cups

Instructions

Paper chromatography.

  • On each coffee filter, draw and color a small circle in the middle. Use a different color on each filter.
  • Fill each cup with water to 1 inch deep.
  • Place a filter on each cup. Gently push the middle of the filter down into the cup until it touches the water.
  • Let the filter stay dipped in the water and wait for 10-15 minutes.

chromatography in coffee filter showing how black is separated into rainbow colors

Coffee Filter Flowers

  • When all the filters are dry, observe how each color is separated.
  • Some colors are separated into several colors. Others are spread out but stay as a single color.
  • To make coffee filter flowers, choose two filters with colors that will complement each other.
  • For example, orange and yellow, blue and purple, etc.

The 4 steps in making Color filter flowers: use paper chromatography to separate color from mixture

  • Fold in half two more times.
  • Now, fold the two outer flaps outward onto themselves so that you have a zig-zag shape.
  • Use a pipe cleaner to tightly tie the tip of the folded filters.

8 steps in Making a coffee filter flower craft from coffee filter, to finished flower

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Did you try this project?

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In the “black” coffee filter, you should be able to see the rainbow colors after the black ink is spread out.

Water is a&nbsp ;solvent that rises through the paper fibers.

Since washable ink can  dissolve in water (that is why it is washable), it starts to travel up the paper with the water.

There are several components inside the black ink.

The components travel at different speed depending on how polar the substance is.

The less polar the component, the less it bonds with the paper and therefore the farther it travels.

When these components are spread out, you can see that the black ink is actually composed of a rainbow of colors.

The same thing happens with other colors.

You will notice that the primary colors, i.e. red, blue and yellow, do not spread out into different colors, while others do.

For example, green will be separated into blue and yellow, orange into red and yellow, etc.

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February 11, 2020 By Chelsey

Science for Kids: Chromatography Butterfly Craft

Looking for some spring themed science for kids ? You’ll definitely want to explore chromatography using coffee filters and markers. The results from this science experiment can even be used to create a colorful butterfly craft for kids !

Follow our Science for Kids Pinterest board!

STEM / STEAM / Science for Kids: Chromatography Butterfly Craft using coffee filters and markers

This post was originally posted February 26, 2014 and has since been updated.

Most kids are used to mixing colors with paints or play dough, but have your children had the chance to try  separating color mixtures? In this science experiment for kids we’ll be exploring chromatography (separating mixtures). We’ll use coffee filters to separate the various pigments in markers to see how each color was created! (This post contains affiliate links.)

Be sure to also check out:  Chromatography Flowers and Chromatography Artwork

Materials for science experiment & butterfly craft.

  • Non permanent markers (Over the years I’ve found Mr. Sketch markers work the best in this experiment.)
  • White coffee filters
  • Cups of water
  • Black pipe cleaners

Procedure to Chromatography Science Experiment

1. Choose one marker to experiment with first. (Hint~ black and brown are the most exciting!) 2. Take one coffee filter . Put it on a newspaper or some kind of material to protect your table. Draw a thick circle around the center of the coffee filter where the ridged part meets the flat center. Use a pencil to write the color of the marker being used right in the center. (You’ll want to know what the original color was being  used, and the pencil won’t smear and will remain intact after the experiment.)

Preparing coffee filters for chromatography experiment

3. Fold the coffee filter in half and then in half again, resulting in a cone shape. 4. Get a short glass of water. Pull apart the cone shaped coffee filter so it balances right on the glass with the tip of the cone just touching the water. (Be sure NOT to let the marker circle go in the water, just the uncolored tip of the coffee filter cone.)

Chromatography experiment for kids

5. Let it sit and watch what happens as the water begins to flow up the paper.

6. Repeat with different colored markers. Here are ours starting out…

Chromatography experiment for kids

… and just about done!

Chromatography experiment for kids

7. After the water has reached the outer edge of the coffee filter, place it on a newspaper to dry. (Lucy and her friend enjoyed illustrating their predictions on paper while waiting for each color to finish separating.)

Chromatography experiment for kids

8. Once the coffee filters are dry you can observe the results.

Directions for Using Coffee Filters to Make the Butterfly Craft

1. Cut your black pipe cleaners in half.

materials for butterfly craft for kids

2. Take one coffee filter and scrunch it up in the middle.

3. Wrap a black pipe cleaner around the center.

4. Shape the ends to form antennae.

Science for Kids: Chromatography Butterflies

5. Tie a string to the center and hang!

Science for Kids: Chromatography Butterflies

Watch it in action!

   

Question to Spark More Curiosity & Critical Thinking

What colors do you see? How many colors do you see? Which one do you find most interesting? Why?

Don’t forget to follow your child’s lead and let your him/her explore some more! Lucy and her friend wanted to try all the different colors to see if they’d separate. They wondered if the marker would separate on just regular paper and came up with  a way to try it out.

After the experiment was complete, the thinking continued! Lucy’s friend was determined to have the butterflies balance just right when tied on the string. We tried different placements of the string to see the different ways we could get the butterflies to hang.

Science for Kids: Chromatography Butterflies

Want to go even further?

Even more activities to inspire creativity and critical thinking for various ages.

  • Collect black markers from different brands. Complete the experiment with each. Compare the results.
  • Record your observations by creating a picture or chart showing what you discovered.
  • Make a list of more questions you came up with as you completed this experiment.

Science for Kids: Chromatography Butterflies

Be sure to check out our  STEAM Kids book and ebook for even more creative STEM and STEAM ideas!

STEAM kids book

 

 

 

Use a clean, dry coffee filter circle. Use your marker to draw a black spot in the center. Put the circle on a saucer, and put a few drops of water on the spot. In a few minutes you'll see rings of color that go out from the center of the circle to the edges. Our picture is in black and white, but when you do this, you'll see some amazing colors.

 

Most nonpermanent markers use inks that are made of colored pigments and water. On a coffee filter, the water in the ink carries the pigment onto the paper. When the ink dries, the pigment remains on the paper.

When you dip the paper in water, the dried pigments dissolve. As the water travels up the paper, it carries the pigments along with it. Different-colored pigments are carried along at different rates; some travel farther and faster than others. How fast each pigment travels depends on the size of the pigment molecule and on how strongly the pigment is attracted to the paper. Since the water carries the different pigments at different rates, the black ink separates to reveal the colors that were mixed to make it.

In this experiment, you're using a technique called chromatography. The name comes from the Greek words chroma and graph for "color writing." The technique was developed in 1910 by Russian botanist Mikhail Tsvet. He used it for separating the pigments that made up plant dyes.

There are many different types of chromatography. In all of them, a gas or liquid (like the water in

 your experiment) flows through a stationary substance (like your coffee filter). Since different ingredients in a mixture are carried along at different rates, they end up in different places. By examining where all the ingredients ended up, scientists can figure out what was combined to make the mixture.

Chromatography is one of the most valuable techniques biochemists have for separating mixtures. It can be used to determine the ingredients that make up a particular flavor or scent, to analyze the components of pollutants, to find traces of drugs in urine, and to separate blood proteins in various species of animals (a technique that's used to determine evolutionary relationships).

Ink and paint get their colors by absorbing some of the colors in white light and reflecting others. Green ink looks green because it reflects the green part of white light and absorbs all the other colors. Red ink looks red because it reflects red light and absorbs all the other colors. When you mix green, red, blue, and yellow ink, each ink that you add absorbs more light. That leaves less light to reflect to your eye. Since the mixture absorbs light of many colors and reflects very little, you end up with black.


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1996 & 1997

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Explore Capillary Action With a Coffee Filter

  • Coffee filter
  • Water solvable markers, preferably dark colours

Instructions

  • Draw dots or other patterns with the markers onto the coffee filter, about 2 cm from the bottom
  • Fill a class with about 1 cm of water
  • Place the coffee filter in the glass so that the colour is right above the water and pay attention to what happens
  • Remove the filter once the colour has risen the desired amount. Are the new colours different from the original ones?
  • Repeat with different patterns and colours

What happens?

This technique is called chromatography. The force that makes the water rise upwards through tiny tubes inside the coffee filter is called capillary action. Capillary action enables even tall trees to get water and essential nutrients delivered to their leaves far above the ground. There are slim tubes inside the tree stem, just like the coffee filter. Water can rise through these tubes and defy gravity because of its electric charges. A little magical, isn’t it?

Equipment Coffee filter Water solvable markers, preferably dark colours A glass Instructions Draw dots or other patterns with the markers onto the coffee filter, about 2 cm from the bottom Fill a class with about 1 cm of water Place the coffee filter in the glass so that the colour is right above the water….Click to read more

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Carrots Are Orange Montessori

Black Marker Coffee Filter Experiment – What Colors Make Black

Activities » Science » Black Marker Coffee Filter Experiment – What Colors Make Black

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Learn about the Science of Color with the Black Marker Experiment

Are you looking for an engaging science activity that will help your kids better understand the concept of mixing colors to get new shades? Look no further than this Black Marker Coffee Filter Experiment – it’s simple, fun, and results in amazing works of art!

This colorful activity involves creating a masterpiece on a sectioned coffee filter using five colors; each child gets to design their own version. The exciting element of this experiment is when the dots are sprayed with water and all combined together slowly forming an entirely new color – black!

Not only will this experiment teach children about how mixing two primary (or secondary) colors creates tertiary hues but also how that same mixture can form black when fully saturated.

Read on for more details on supplies needed and specific step-by-step instructions – let’s begin exploring what colors make black!

Black Marker Coffee Filter Experiment

Is black a color?

How does paint or ink get its color?

Which colors do you mix to create black?

My sons and I were curious. So, we did the classic black marker experiment to discover and observe a bit more about what colors make black. 

Black Marker Coffee Filter Experiment

A great way to introduce this activity is to create a color wheel .  The art sequence of lessons within Montessori includes this activity and would make for a terrific exploration of primary and secondary colors. 

Black Marker Experiment Materials

  • white coffee filter
  • black marker (not permanent)

Steps to Black Marker Coffee Filter Experiment

  • design the edge of the coffee filter
  • roll the filter into a cone
  • pour water into the bowl (doesn’t have to be a lot)
  • place the filter into the bowl with water in it
  • observe what happens as the water travels up the filter

Black Magic Experiment

Questions to Ask the Children about the Science of Colors

  • What are the colors of the rainbow?
  • What do you think will happen when we place the filter into the water?
  • What will happen when the water makes it to the black marker?
  • Does one color move more quickly than the other? Why?
  • How many colors do you see?
  • Why does combining many colors of ink make black?
  • Who would use this science? Why? (Biochemists)

black marker square

Science Behind Black Marker Experiment

  • Water separates the various pigments of the black ink
  • The colors’ speed depends on the size of the color molecule and how strongly the pigment is attracted to the paper
  • Because the pigments have varying strengths and sizes, they separate when the water hits the black ink
  • The science is called chromatography where a gas or liquid flows through a stationary substance
  • The ingredients within the substance move at different rates
  • Paint, for example, becomes a color by absorbing some of the colors in white light and reflecting other colors. Blue looks blue because it reflects the blue part of the light and absorbs all other colors. When you mix many colors, each color added absorbs more light, leaving less light to reflect on your eye. So, when many colors are mixed together, we have black.

watercolor painting

What Colors Make Black?

According to WikiHow , “Black  paint  can be made with equal parts  red ,  yellow , and  blue paint  mixed together on a  palette . You can also mix complementary colors such as  blue  and  orange , red and   green , or  yellow  and  purple . Mixing  blue  and brown can  also result in a  rich black .”

  • Try red or another color 
  • Experiment with different types of markers
  • Try different types of paper

Read about Color

coffee filter experiment colors

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How Colors are Made Science Experiment

What makes the colors make the color orange? Green? Black? With this easy experiment, kids discover how colors are made by using markers, water, and a coffee filter – things you probably already have at home!

Preview this experiment with our demonstration video and learn new vocabulary with the scientific explanation of how the experiment works. A supplies list and detailed instructions can be found below.

coffee filter experiment colors

JUMP TO SECTION: Instructions | Video Tutorial | How it Works | Purchase Lab Kit

Supplies Needed

  • Different Colored Markers (We used Blue, Green, Orange and Black)
  • Coffee Filter (You can also use Blotting Paper)
  • Small Drinking Glass
  • 1 teaspoon Salt

How Colors are Made Science Lab Kit – Only $5

coffee filter experiment colors

Use our easy How Colors are Made Science Lab Kit to grab your students’ attention without the stress of planning!

It’s everything you need to  make science easy for teachers and fun for students  — using inexpensive materials you probably already have in your storage closet!

How Colors are Made Experiment Instructions

Experiment Setup –  Before you begin the experiment talk about the various marker colors that you’ll be experimenting with. Talk about the colors, explain that some colors are called primary colors (red, yellow & blue) and these colors can be mixed together to make new colors. Make some observations about the colors you’ve selected for the experiment. Are you using any primary colors?

coffee filter experiment colors

Step 1 – Begin the experiment by preparing your coffee filter. Smooth the coffee filter out and fold it in half. 

Step 2 – Next, use the markers to draw and color in circles of different colors on the coffee filters. The circles should be an inch apart and near the center of the coffee filter.

Helpful Tip: Only use 4 colors max per coffee filter. If you want to experiment with more than 4 colors then use multiple coffee filters.

coffee filter experiment colors

Step 3 – Pour one inch of water into an empty glass and add one teaspoon of salt. Stir until the salt is combined.

coffee filter experiment colors

Step 4 – Shape the coffee filter into a cylinder and place it into the glass. The bottom of the coffee filter should just touch the water. Then take a few minutes to make some observations. Do you notice anything happening with the water and the coffee filter? Let the glass and coffee filter sit for 30 minutes to an hour and then come back to see what happened.

Discover How Colors Are Made Before and After

Step 6 – When you return to the glass, what has changed? Carefully remove the coffee filter from the glass and set it flat on the table. Observe what has happened to the colored circles. You’ll notice how the colors have spread across the coffee filter and that some of them have changed from the original marker color

Do you know what caused the colors to spread? And why some of the colors stayed the same, while others changed? Find out the answer in the how does this experiment work section below.

Video Tutorial

How Does the Science Experiment Work

Over the course of the hour, the coffee filter gradually absorbs water. The coffee filter is able to absorb water through the process of capillary action . Water is able to move against the force of gravity and climb the coffee filter because water molecules stick to each other AND they stick to the fibers of the coffee filter. As water molecules are attracted to the fibers of the coffee filter, they pull other water molecules with them. Once the water gets to the colored circles, the color starts to spread up the coffee filter.

The colors spread because of a process called chromatography. Chromatography is the separation of a mixture by passing a solution through a medium. Simply put, in this experiment, you are separating the colored ink of the markers (the mixture) with water (the solution) using a coffee filter (the medium).

Now let’s talk about the colors! When a primary color (red, yellow, blue) spreads it will stay the same color. When a secondary color (green, orange, purple) spreads it will change into the primary colors that were originally mixed to make the color. The color black is created by mixing multiple colors together, so when it spreads you see the widest array of different colors.

Primary colors – Red, Yellow & Blue. These color can be mixed together to make other colors  Secondary colors – Orange, Purple & Green. These colors are made by mixing two primary colors together Tertiary colors – Colors made by mixing a primary color with a secondary color

I hope you enjoyed the experiment. Here are some printable instructions:

How Colors Are Made Science Experiment

How Colors Are Made Science Experiment

  • Different Colored Markers (We used Blue, Green, Orange and Black)

Instructions

  • Begin the experiment by preparing your coffee filter. Do that by first folding it in half.
  • Next, use the markers to draw and color in circles of different colors on the coffee filters. The circles should be an inch apart and near the center of the coffee filter.
  • Pour one inch of water into an empty glass.
  • Add a teaspoon of salt into the glass and stir until it is combined.
  • Shape the coffee filter into a cylinder and place into the glass. The bottom should just touch the water. Let the glass and coffee filter sit for 30 minutes to an hour and then come back to see what happened.
  • Wait 30 minutes to an hour and then return to look at the colors. Remove the coffee filter from the glass and set it flat on the table. Observe what has happened to the colored circles. You’ll notice how the colors have spread across the coffee filter and that some of them have changed from the original marker color

Discover How Colors are Made Experiment Steps

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Science Projects > Chemistry Projects > Colorful Chromatography + Video  

Colorful Chromatography + Video

Color chromatography.

Chromatography is one of the simplest techniques for separating the individual components of a mixture. In chemistry, a mixture is a combination of substances that can be separated because they are not chemically bonded. As opposed to a compound, which has elements chemically bonded together. In paper chromatography, a mixture is dissolved and pulled across a piece of paper.

The mixture separates because its components travel across the paper at different rates, based on their attraction to the paper or solubility in the solvent. The word ‘chromatography’ comes from the two Greek words for ‘color’ and ‘writing.’ Once you try out the fun projects below, you’ll see why that’s such a fitting name!

>> Watch our chromatography video to see this cool process in action!

Color Hide-and-Seek

Is black really black? Let’s start with some simple paper chromatography to find out.

What You Need:

  • Black washable marker
  • Filter paper or coffee filter
  • Beaker or cup

What You Do:

1. Cut a piece of filter paper or coffee filter into rectangular strips (approximately 1/2″ x 3-4″).

2. Draw a pencil line across the narrow end of a strip, about 1 cm from the bottom.

3. Draw a small dot with the black marker on the pencil line.

4. Use a binder clip or tape to attach the paper strip to a pencil. Set the pencil across the top of a beaker or cup. Adjust the paper strip until it hangs down without touching the sides or bottom of the beaker.

5. Carefully pour water into the beaker until it just touches the bottom of the paper strip. (Make sure the water level is below the marker spot, or else the ink will just run off into the water.) Water will begin to travel up the paper.

6. When the water nears the top of the paper, remove the strip from the beaker and let it dry on a paper plate or hanging in an empty cup. The series of colors you see is called a chromatogram.

What Happened:

color chromatography in action

As the water travels up the paper strip (similar to capillary action in plants), it dissolves the ink and pulls it up the paper too.

The black ink is actually a mixture of several different pigments, or coloring agents. Some pigments dissolve in water easier and are pulled with the water farther up the paper.

Others are more attracted to the paper and move more slowly.

Usually smaller molecules will move farther than larger ones. What colors do you see on your chromatogram? Was the black marker really black?

The three primary colors used when mixing dyes or paints are red, yellow, and blue.

Other colors are often a mixture of these three colors. Try running a chromatography test again with non-primary-color markers, like purple, brown, and orange.

See what hidden colors are really there! You can also try using other solvents, such as rubbing alcohol or nail polish remover, especially for permanent pens and markers that won’t dissolve in water.



Chromatography is one of the simplest techniques for separating the components of a mixture – with this kit you can do 5 fun experiments to reveal the hidden colors in black ink, separate fall colors from green leaves, perform forensic chromatography, experiment with candy dyes, and more.

Fall Colors in Summer Leaves

fall leaves

Trees that were green all year suddenly become bright yellow, orange, red, or even purple! How does this happen?

Leaves contain different pigments, which give them their color.

Green chlorophyll, which is essential for photosynthesis, is the most common type of pigment, but there are also cartenoids (yellow, orange, brown) and anthocyanins (red).

During the summer months, the leaves are so full of chlorophyll that green overpowers any other colors present in the leaves, such as yellow and orange.

In the fall the days start to get shorter and the temperature drops, signaling to the tree that it is time to go into storage mode for the winter. The chlorophyll starts to break down, causing the green in the leaves to disappear, and allowing us to see the colors of the other pigments, which were present all along.

You can use chromatography to find out what pigments are present in a leaf when it is still green.

  • Green leaves (trees with dramatic fall color changes, like maples, work best)
  • Glass beaker or cup
  • Rubbing alcohol

1. Gather several green leaves from a tree. You can choose to compare two different trees, if you want.

2. Cut the leaves into very small pieces and put them in a small glass or beaker.

3. Pour rubbing alcohol into the glass just enough to cover the leaves. You want the pigment solution to be as concentrated as possible, so don’t add more alcohol than necessary. Cover the glass with plastic wrap and set it in a larger glass or bowl with about an inch of hot water. Let it sit for at least 30 minutes, swirling occasionally and replacing the hot water as necessary. You can use a spoon to help crush the leaves and release more pigment.

4. When the color of the liquid is nice and dark, remove the leaf tissue with a fork or spoon (or strain it through a coffee filter).

5. Tape a strip of filter paper to a pencil and suspend it in the beaker so that the strip just touches the colored liquid. Cover the beaker with plastic wrap to prevent evaporation.

6. When the alcohol nears the top (this can take 30-90 minutes), remove the strip and let it dry.

What colors do you see in your finished chromatogram? The ‘hidden’? pigments (caretonoids and anthocyanins) will travel farther up the paper than the chlorophyll. Based on your chromatogram, what color do you think the leaves will be in the fall after the chlorophyll has broken down?

Read our article to learn more about how leaves change colors in the fall.

More Fun Chemistry Projects

  • Ink and Paper Activities
  • Color-Change Tricks
  • Invisible Ink

Science Links

Explore the nature of color with this beautiful and informative web exhibit: Causes of Color .

Check out this site to see how all colored printing is really made from just four colors.

Welcome! Read other Chemistry articles or explore the rest of the Resource Center, which consists of hundreds of free science articles!

Shop for Chemistry Supplies!

Home Science tools offers a wide variety of Chemistry products and kits. Find affordable beakers, test tubes, chemicals, kits, and everything else you need for lab experiments.

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Colorful Coffee Filter Flowers

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Disclaimer: This page contains affiliate links. If you make a purchase from one of the links, Habitot will receive a small commission at no extra cost to you.

Mother’s Day is coming up on May 14th! In this artistic STEM activity, your child will create a beautiful gift while observing how water causes marker ink to spread, separate, and change on a coffee filter. It’s a scientific process otherwise known as “ paper chromatography .” Once the coffee filters dry, your child will then wrap them into paper flowers to create a colorful bouquet for Mom (or any person they love)!

What We’re Learning & Skills We’re Building

  • Early science concepts – physical changes (mixing water and ink); absorption (ink and water seeping into the coffee filter); chromatography (see the fun experiment link under the More Learning section below)
  • Experimentation – testing several kinds of markers during the activity to see the different results 
  • Fine motor skills – using the small muscles in the hands to drip, pinch, and twist
  • Color mixing – mixing colors to create new, different colors
  • Standard-size “basket” coffee filters or small cone-shaped coffee filters (alternatives: paper towels or tissue paper cut into circles)
  • A variety of markers 
  • Drinking cups or jars (clear is ideal)
  • 2-4 tbsps water
  • Art tray , cookie cooling tray, or plate(s)
  • Dish towel or paper towels
  • Scotch tape or masking tape
  • (Optional) Pipe cleaners  

( Note: Cone-shaped coffee filters are thicker than basket coffee filters and may take longer to absorb water. Colors might be less vibrant if the filter paper is tan/brown.)

1. Have your child draw on one side of the coffee filters with the markers, making designs, drawing shapes, or coloring them completely. They can use a different color on each filter or many colors on one. They can draw close to the center or only on the edges. This is the time for artistic experimentation!

2. Set the filters aside to dry for a few minutes.

*Observe: Take note of what each coffee filter looks like when it’s dry. Older children can make predictions about how the colors and designs might change once the filters are placed in water.  

3. When the coffee filters are dry, fold them in half 3 times (so they look like pizza slices).

coffee filter experiment colors

4. Pour about 2-4 tbsps of water into each cup/jar.

5. Place the pointy part of each of the folded coffee filters into the separate cups. Wait while the paper absorbs the water (about 5-15 minutes).

*Observe: Watch as the water slowly creeps up the filters. Ask, “What happens when the water reaches the colorful marker ink? Do the colors spread? Do they move? Do they mix together? Do some colors disappear?” And if only one marker color was used, ask, “Do new colors appear?”

6. Remove the filters from the water and carefully unfold them. Place each on the cookie cooling rack or tray/plate(s) lined with dish towels or paper towels. Let them dry completely (30-60 minutes).

*Observe: Once the filters are dry, ask, “Do the filters look the same as they did before we dipped them into water, or do they look different?” Point out the differences to young children. Older children can compare the results to their own predictions in step 2 above.

coffee filter experiment colors

Making Flowers

  • Once the colorful coffee filters are fully dry, fold them in half 3 times (the same way as before, so they look like pizza slices). 
  • To make a stem, pinch the middle of a folded coffee filter and twist the bottom half.
  • Wrap the twisted bottom half of the filter with a small piece of scotch tape (masking tape is fine, but it’s less sticky). Or, wrap a pipe cleaner around the twisted bottom.
  • Create petals by separating and spreading out the folds on the top half of the filter.
  • (Optional) Stack two unfolded, dry coffee filters on top of each other and repeat steps 3 & 4 to create fluffier flowers with many petals. This might be easier for older children and adults.
  • Place the flowers in a dry vase to give as a gift for Mom or any other loved one! 

coffee filter experiment colors

( Note : Colorful coffee filters can be used to create other things, not just flowers. Check out this list of simple coffee filter crafts .)

More Learning

  • What is chromatography ? It’s a complex scientific process! In simple terms, it’s separating the   parts of a mixture (marker ink) that’s been absorbed into/onto a material (coffee filter) by passing it through a solution (water). Chromatography can be used to measure how many different parts are in a mixture, and how much there is in each part.
  • Marker Ink: Chromatography can also show us all the different colors (pigments) that have been blended together to create the ink for just one marker color. For example, dipping a coffee filter that’s been colored with red marker into water might show streaks of orange, yellow, and pink ink – all of these colors were mixed together to create the red ink!
  • Experiment: Draw color on a coffee filter, then use a medicine dropper or pipette to drip water over the marker ink. Or, use a spray bottle to moisten the colored coffee filter. Black markers are fun and educational in chromatography activities because there are many colors that make up black ink. Check out this fun experiment !

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Babble Dabble Do

How To Do The Classic Chromatography Experiment

May 8, 2020 by Ana Dziengel 1 Comment

The classic chromatography experiment is always surprising! Did you know you can separate black into different colors? Read on to see how!

Chromatography is the process of separating mixtures. In this project you will separate the color black into other colors. As the coffee filter absorbs water through capillary action, the black ink moves through the filter and is separated by the water into other colors. You should see blue, green and even red as the water separates the ink.

The Classic Chromatography Experiment

  • Black washable marker
  • Coffee Filters
  • Paper Towels

We have two methods for conducting this experiment. One uses coffee filters and one uses paper towels. You may try either or both!

Instructions for Coffee Filter Chromatography Experiment

Time needed:  15 minutes.

Learn how to do the classic chromatography experiment.

Fold a coffee filter in half. Fold in half two more times until you have a triangular shape.

Color the tip of the coffee filter with washable black marker. Get a good coat of ink on the filter.

Add a small amount of water to a plastic cup. Place the black tip of the coffee filter in the cup.

Come back to the filter after 15 minutes and see what happens to the ink.

Instructions for Paper Towel Chromatography Experiment

  • Cut paper towel Cut your paper towel into strips
  • Color the paper towel Color the center of each strip with black marker.
  • Place in water Place the paper towel in a cup with a small amount of water at the bottom. Place the colored center in the water and allow the ends to hang over the side of the cup.
  • Watch and observe The ink will begin flowing up the paper towel via capillary action and the pigments will start separating.
  • Remove and let dry After a few minutes, remove the paper towel strip from the cup and let dry on a piece of paper.

Extension Ideas

  • Try this with other colors. Does it work as well? What colors can you separate? Which don’t work as well? Keep a chart of how well each color works.
  • What happens when you use a permanent marker?  Add a few drops of rubbing alcohol over a permanent marker drawing and see what happens.
  • Turn your chromatography experiment into paper flowers! Add a pipe cleaner stem and wrap around the pointed end of the “flower.”
  • Use this experiment to decorate canvas bags!

The Science

Chromatography is the process by which scientists separate mixtures by letting them slowly move past each other. In the process of chromatography a mixture in one state of matter moves over the surface of something in another state of matter. In this experiment the water (a liquid) carries the pigment through and over the surface of towel (a solid) and in the process it separates the individual pigment colors. Here is a more in-depth explanation of chromatography.

Capillary action is ability of liquid to flow against gravity through other materials. In this project water and ink moves through the fibers of the paper towel or coffee filter until all the fibers are fully saturated (or until you remove it from the liquid). If you allow the towel or filter to sit in the water for a long period of time eventually all the ink will move to the ends of the filter or towel.

This chromatography experiment is included in our Classic Science Activity Cards here . If you enjoyed it check out the cards for 9 more ideas!

Dana Quickel says

May 8, 2020 at 6:08 pm

This sounds really cool. I want to try it with my school age childcare kids next week.

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InquiBox

Coffee Filter Science Experiment: Chromatography for Kids

Here is a coffee filter science experiment children can try out at home. Coffee filter chromatography for kids is not only easy to do but also a great creative activity.  Why not create your own magical flower bouquet or gift a flower greeting card to someone?

Materials needed

Washable markers

3 White coffee filters (per bouquet)

1 cup of water per coffee filter

Rubber band

Optional*- Vase for decoration

Prepare the filter

Flatten out a coffee filter on a plate.

Scribble the filter with washable markers.  Or alternatively, you can choose one washable marker per coffee filter to create a rainbow bouquet. You will need six different filters one of each colour – e.g. green, blue, yellow, red, orange, purple. 

Fold the coffee filter in half, another fold making a 1/4 all the way to a 1/8 fold.

Fill a glass with a little bit of water. Essentially, the cone tip of the coffee filter just needs to be in contact with the water. 

Let the coffee filter tip soak in the water. You will notice that the water begins to flow up the paper. 

After the coffee filters have dried, you are ready to assemble your flowers.

coffee filter science experiment

Let’s make a flower

Once you have your coffee filters coloured, gather each one in the centre and twist it tight. This will gather the top and give it a bunched look.

Make your bouquet with approximately 3 coffee filter flowers (or more)  to create a bouquet shape.  

Secure the filters in place using a rubber band. 

Tape a straw to hold the bouquet shape. 

Place the bouquet in a vase – or repeat steps to create more bouquets.  Alternatively, you can attach your flower to the front of a card or gift to decorate it.

coffee filter science experiment

The science behind the coffee filter experiment

Once the water gets to the coloured areas, it will start to spread creating beautiful designs and patterns.

You only need to place the tip of the filter in the water to start this process and to prevent the paper from getting soggy and breaking apart.

Don’t forget to share this awesome science experiment with your friends and family. 

Did you like this chromatography for kids experiments? We can’t wait to see the awesome designs inspired by this coffee filter science experiment – email us on [email protected] or tag us in socials @inquibox and we would love to feature them on our socials.

Extra reading: check out our posts on  5 wild chemistry science experiments that will blow your mind and our blog on  11 interesting videos about space.

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Coffee Filter Chromatography Experiment

coffee filter experiment colors

Is black really black? Is gray really gray? See the separation of colors through coffee filters and water and create cool art work while learning!

  • Coffee Filter
  • Washable Markers
  • Cup of Water

Instructions

Gather your supplies.

 

 

 

Flatten the coffee filters then scribble them with black, blue and gray markers, similar to the ones in the picture.

 

 

Fold the coffee filters in half, and then in half again.

 

 

 

Place the bottom points of the coffee filter into a cup that’s about an 1-1 1/2″ filled.

 

 

Watch as the colors disperse!

 

 

Let your coffee filters dry and then admire the abstract colors!

 

 

Use the shapes inside the watercolor kit to create more cool artwork!

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Little Learners, Big Ideas

PS PK K 1 2

Hands On Science: Color Exploration

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Hands On Science: Color Exploration. The perfect STEAM project for art lovers!

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.

Getting Color Exploration Ready

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.  

You have these simple craft supplies already in your craft stash. This is a simple experiment to set up with:

  • Coffee Filters
  • Crayola Markers (black, brown and yellow) – NON Permanent
  • Popsicle Sticks
  • 2 Jars or Large Cups (We used see through glass, so that we could witness the whole reaction)

Doing Color Exploration

Cut two coffee filters into large strips, about 2 inches wide. Take one marker and colored on a coffee filter strip and a second color colored on the other coffee filter strip.

Wrap the top of the coffee filter strip around a popsicle stick and taped it in place.

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.  

Next, rest the popsicle stick on the rim of the cup with the coffee filter in the cup, just barely touching the water.

Let the water raise up through the coffee filter and watch what happens to the color. It took about 10 minutes for a real reaction, more than just spreading color, to occur.

The Science Behind Color Exploration

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.  

Colors are made up of other colors. When we mix colors we can create new colors.

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.  

Use paints to help your students learn more about mixing colors after the see these colors expand and met away.

Dive into this fun color exploration experiment with your kindergarteners today! There are just a couple simple materials you need to help your students enjoy the changing of the colors in this simple science experiment.  

Need More Science Ideas? 

Salt Painting Experiment

Magic Milk Experiment 

Sink or Float Experiment

Want science planned for you ALL YEAR LONG?!

Do you want  science planned  for the  ENTIRE CALENDAR YEAR !? This  Endless Science Mega Bundle  will  save you so much time  and  keep your students engaged  and  excited about learning . This amazing resource contains  53 science topics  including  life science ,  physical science ,  earth science , and  animal studies .

Engage your class in an exciting hands-on experience learning all about science! Perfect for science in Preschool, Pre-K, Kindergarten, First Grade, and Second Grade classrooms and packed full of inviting science activities. Excite your learners with the study of Life Science, Physical Science, Earth Science, and Animal Studies. These studies are perfect for any time of the year. This is a GROWING BUNDLE that will have your students learning all about: 21 life science topics, 4 physical science topics, 11 earth science topics, and 17 animal science topics. That is a TOTAL OF 53 SCIENCE TOPICS covered in one mega bundle. This pack is great for homeschoolers, kids craft activities, and to add to your unit studies!

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Easy Coffee Filter Flowers

What’s nicer than a fresh bouquet of flowers? How about a homemade bouquet of flowers made with STEAM (Science + Art)! Easy coffee filter flowers are the perfect craft for spring, or any time of the year. Find out how to make flowers out of coffee filters. Fun STEAM activities are always engaging for junior scientists of all ages!

coffee filter experiment colors

Enjoy Flowers For Spring

Spring is the perfect time of year for art and craft activities! There are so many fun themes to explore. For this time of the year, our favorite topics to teach kids about spring include weather and rainbows , geology , Earth Day and of course plants !

Get ready to add this flower craft, to your lesson plans this season. How do you make easy coffee filter flowers? Let me show you! In fact, this has to be our favorite craft to make with coffee filters.

Simple enough to do with your preschoolers, and kindergarten students, as well as older kids. All you need is a handful of bright markers and pipe cleaners to finish off a pretty bouquet to give away!

And if you are looking to add a little STEAM (science, technology, engineering, and art) to your lessons, then this is the activity you need to try. Even my “not interested in crafts” kiddo loves it! While you’re at it, make sure to check out these other fun flower art and crafts .

Mother’s Day! Birthdays! Weddings! Teacher gifts! Spring crafts!

Coffee Filter Flowers Craft

  • Coffee Filters
  • Washable Markers
  • Gallon Size Zipper Bag OR Metal Baking Sheet Pan
  • Water Spray Bottle
  • Pipe Cleaners

coffee filter experiment colors

Instructions:

STEP 1. Flatten round coffee filters, and draw colors in circles, patterns, or even scribbles! Make a rainbow on one with all the colors or stick with just complimentary colors!

Check out our rainbow coloring page to learn about the colors of the rainbow!

coffee filter experiment colors

STEP 2. Place the colored coffee filters on a gallon size zipper bag or metal baking sheet pan and then mist with a water spray bottle.

coffee filter experiment colors

Watch the magic as the colors blend and swirl! Set aside to dry.

coffee filter experiment colors

STEP 3. The last step in your coffee filter flower bouquet is a stem!

  • Once they are dry, fold them back up and round the corners if desired.
  • Pull the center together just a touch and tape with clear tape to make a flower.
  • Wrap a pipe cleaner around the tape and leave the remaining pipe cleaner for a stem.

Why not use any leftover pipe cleaners to make these easy crystal flowers!

coffee filter experiment colors

Learn About Solubility With Coffee Filters

Make a gorgeous bouquet of flowers with coffee filters, and markers. No coloring in skills needed because simply add water to the coffee filter, and the colors beautifully blend together.

Why do the colors on your coffee filter flower blend together? It’s all to do with solubility ! If something is soluble that means it will dissolve in that liquid (or solvent). The ink used in these washable markers dissolves in what? The water of course!

With our DIY coffee filter flowers, the water (solvent) is meant to dissolve the marker ink (solute). For this to happen, the molecules in both the water and the ink must be attracted to each other. When you added drops of water to the designs on the paper, the ink should spread out and run through the paper with the water.

Note: Permanent markers do not dissolve in water but in alcohol. You can see this in action here with our tie-dye Valentine cards .

More Fun Coffee Filter Crafts

Want to have more fun with coffee filter crafts? You will love…

  • Earth Day Coffee Filter Craft
  • Coffee Filter Chromatography
  • Coffee Filter Rainbow
  • Coffee Filter Turkey
  • Coffee Filter Apple
  • Coffee Filter Christmas Tree
  • Coffee Filter Snowflakes

coffee filter experiment colors

Get Your FREE Printable 7 Days Art Challenge Pack!

coffee filter experiment colors

Fun Flower Crafts To Explore

When you finish making this coffee filter craft, why not try one of these ideas below. You can find all our flower crafts here and plant activities for preschoolers !

Cupcake liner flowers are great to make as a homemade gift for Mother’s Day.

Color in this cute flower printable with nothing but dots.

Paint these fun bright flowers with their own homemade stamps.

How about a homemade handprint flowers bouquet !

Use art and craft supplies you have on hand to make the parts of a plant .

Printable Spring Pack

If you’re looking to have all of your printable activities in one convenient place, plus exclusive worksheets with a spring theme, our 300+ page Spring STEM Project Pack is what you need!

Weather, geology, plants, life cycles, and more!

coffee filter experiment colors

  • Pingback: Cool Crafts for Kids to Make at Home - It's a Southern Life Y'all

Can you please make easy to print out instructions?

Hi there, we do have a shop full of paid products if that helps!

yes!! will you please make easy to print instructions??

We will be coming out with a fun activities printable ebook very soon!

Comments are closed.

coffee filter experiment colors

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10 Unexpected Uses For Coffee Filters That Go Beyond Brewing A Pot

From cleaning to gardening and more, learn how to make the most of your coffee filters.

coffee filter experiment colors

Getty Images

These days, it's hard to imagine life without coffee. Even if you can't abide the stuff, only drink decaf, or prefer a tall glass of sweet tea, coffee plays an important part in culture in the South and around the world. Can you imagine a Waffle House without a waitress offering coffee? Or a grandmama offering a slice of pie or cake without coffee to go with it? Or cowboys around the fire in the early morning light without a cup of coffee in hand? Coffee is a staple in kitchens and cafés and campouts around the world. For those of us who like to make a pot at home, our counters are stocked with a coffee maker , coffee beans , and coffee filters.

Filters are necessary for making drip coffee, of course, but those paper filters aren't just single use. Turns out they are pretty handy in all sorts of other household chores. My favorite use for a coffee filter is to use one to line an 8- or 9-inch cake pan when you don’t have parchment (or are too lazy to cut a perfect circle). Simply grease or spray the pan, flatten out a liner into the bottom of the pan, then spray or grease again, and in my experience, you’re good to go and the cake (or even coffee cake) easily slides out of the pan. 

Here are some actual experts with other uses for coffee filters outside of making the perfect cup of joe:

Planter Liner

“I grow a lot of herbs and veggies in my garden, and my favorite way to use coffee filters is by lining planting pots with filters! They help stop the planting material like pearlite and clay pebbles from falling out of the holes while also still allowing the pots to drain,” suggested Lindsey Neumayer of a Recipe for Fun .

Mini Greenhouse

“Transform a coffee filter into a mini greenhouse by placing it over the top of a small plant pot. It helps retain moisture and warmth, giving your seedlings the perfect start,” recommends home organizer Melanie Summers of I Speak Organized .

Instant Strainer

“A smart way to use a coffee filter is to have them strain homemade sauces, juices, and broths,” suggests Malak Bellajdel, an interior design expert at Interior Moderna . “They catch all the little bits you don’t want. It really comes in hand when you don’t have a cheesecloth or a regular metal strainer.” 

Window Cleaner

“Your trusty coffee filters can do more than just brew your morning cup of joe-they’re also fantastic for keeping your mirrors, glass, and other surfaces sparkling clean without any annoying streaks. Just dampen a coffee filter with a solution of water + vinegar or your preferred glass cleaner, and the lint-free material of coffee filters ensures a streak-free shine every time you wipe down your surfaces. Make sure the filter is not too wet, just slightly dampened. Give it a try and see the difference!” says Ronnie Kendrick, founder of CompanyClean , a house cleaning service in Highlands Ranch, Colorado.

DIY Dryer Sheet

"Coffee filters can come in handy as DIY dryer sheets. All you need to do is add a couple of drops of an essential oil you like to a filter and throw it in with your laundry. It works so well for making your clothes smell good without all the chemicals in regular dryer sheets,” suggests Bellajdel.

Grease-Free Microwave Cover

“Use a coffee filter as a cover for dishes in the microwave to prevent splatters. It's a simple way to keep your microwave clean without using plastic,” suggests Summers.

Lint-Free Cleaner

“Coffee filters, unlike paper towels don't contain lint, so they make a great option for cleaning windows, mirrors, and electronics, polishing shoes, drying glasses and even greasing a cookie sheet,” says Michael Clarke, founder of Pulled , a home management platform.

DIY Tea Bag

“Fill a coffee filter with loose leaf tea, tie it with a string, and voila! You've got a homemade tea bag ready for steeping,” says Summers of of I Speak Organized .

Blotting Paper

“A really interesting one is using them as blotting papers for oily skin. They soak up shine without messing up your makeup. They’re also much more affordable than blotting sheets. You can just quickly grab a few from the kitchen before heading out," suggests Bellajdel of Interior Moderna .

Odor Absorber 

“Place a few tablespoons of baking soda in a coffee filter, secure it with a rubber band, and tuck it into shoes, gym bags, or the fridge to absorb odors,” recommends home organizer Summers. 

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IMAGES

  1. Coffee Filter Chromatography

    coffee filter experiment colors

  2. Rainbow Marker Coffee Filter Experiment

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  3. Coffee Filter Flower Tutorial

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  4. Rainbow Marker Coffee Filter Experiment

    coffee filter experiment colors

  5. Rainbow Marker Coffee Filter Experiment

    coffee filter experiment colors

  6. Coffee Filter Rainbow Craft for Kids

    coffee filter experiment colors

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COMMENTS

  1. Coffee Filter Chromatography

    Chromatography Experiment Instructions. For the coffee filter experiment: Draw a circle in the center of the coffee filter. Make sure you make it a thick circle with plenty of ink so that there is enough ink to move up the coffee filter. Fill a cup with about 1/2 an inch of water, or just enough for the non-inked portion to touch the water.

  2. Rainbow Marker Coffee Filter Experiment

    TIP: do this over newspaper as the markers can bleed. 2. Fold your coffee filter in half. Fold it in half again and again - quartered. This will expose that white un-markered center at the point. 3. Fill your glass with 1-2 inches of water. Make sure only the tip of the filter is touching the water. The water travels fast, within just a few ...

  3. Colorful Coffee Filter Experiment: Defy Gravity with Capillary Action

    See water flow upwards with this colorful coffee filter experiment! Capillary action is the ability of a liquid to flow in narrow spaces. With capillary action, water can even flow upward against gravity! You can observe capillary action all around you, for example, it's what moves the water up through plant roots and your tears through your ...

  4. Coffee Filter Flowers

    Grab a coffee filter and draw a circle on it. Outline the circle 2 or 3 times at least to make sure it has enough ink. Fold the coffee filter in half once, and then in half a second time. Make sure there is a good point at the bottom. Spread the top of the filter out a little so the filter doesn't fall in the water.

  5. PDF COLORFUL COFFEE FILTER

    coffee filter the colors spread out creating a COLORFUL COFFEE FILTER SCIENCE SAFETY PLEASE follow these safety precautions when doing any science experiment. • ALWAYS have an adult present. • ALWAYS wear the correct safety gear while doing any experiment. • NEVER eat or drink anything while doing any experiment. • REMEMBER experiments ...

  6. Coffee Filter Flowers Chromatography

    Paper Chromatography. On each coffee filter, draw and color a small circle in the middle. Use a different color on each filter. Fill each cup with water to 1 inch deep. Place a filter on each cup. Gently push the middle of the filter down into the cup until it touches the water. Let the filter stay dipped in the water and wait for 10-15 minutes.

  7. Science for Kids: Chromatography Butterfly Craft

    Looking for some spring themed science for kids?You'll definitely want to explore chromatography using coffee filters and markers. The results from this science experiment can even be used to create a colorful butterfly craft for kids!. Follow our Science for Kids Pinterest board!. This post was originally posted February 26, 2014 and has since been updated.

  8. Coffee Filter Chromatography Craft

    STEP 1: Flatten the coffee filters onto a paper towel or newspaper. STEP 2: Draw a circle on the coffee filter with a marker on the round bottom area. STEP 3: Fold each coffee filter in half four times. STEP 4: Add an inch of water to each mason jar and place the folded coffee filter into the water, with just the bottom touching the water.

  9. Science Activity: Secret Colors in a Black Marker!

    Use a clean, dry coffee filter circle. Use your marker to draw a black spot in the center. Put the circle on a saucer, and put a few drops of water on the spot. In a few minutes you'll see rings of color that go out from the center of the circle to the edges. Our picture is in black and white, but when you do this, you'll see some amazing colors.

  10. Explore Capillary Action With a Coffee Filter

    Instructions. Draw dots or other patterns with the markers onto the coffee filter, about 2 cm from the bottom. Fill a class with about 1 cm of water. Place the coffee filter in the glass so that the colour is right above the water and pay attention to what happens. Remove the filter once the colour has risen the desired amount.

  11. Black Marker Coffee Filter Science Experiment Science with Colors

    Steps to Black Marker Coffee Filter Experiment. design the edge of the coffee filter. roll the filter into a cone. pour water into the bowl (doesn't have to be a lot) place the filter into the bowl with water in it. observe what happens as the water travels up the filter.

  12. How Colors are Made Science Experiment

    Step 1 - Begin the experiment by preparing your coffee filter. Smooth the coffee filter out and fold it in half. Step 2 - Next, use the markers to draw and color in circles of different colors on the coffee filters. The circles should be an inch apart and near the center of the coffee filter. Helpful Tip: Only use 4 colors max per coffee ...

  13. STEM THE ART

    Tutorial video on STEM THE ART's Coffee Filter Chromatography activity! This experiment integrates visual art with chemistry, exploring color theory and the ...

  14. Color Chromatography Experiments

    1. Cut a piece of filter paper or coffee filter into rectangular strips (approximately 1/2″ x 3-4″). 2. Draw a pencil line across the narrow end of a strip, about 1 cm from the bottom. 3. Draw a small dot with the black marker on the pencil line. 4. Use a binder clip or tape to attach the paper strip to a pencil.

  15. Colorful Coffee Filter Flowers

    Experiment: Draw color on a coffee filter, then use a medicine dropper or pipette to drip water over the marker ink. Or, use a spray bottle to moisten the colored coffee filter. Black markers are fun and educational in chromatography activities because there are many colors that make up black ink.

  16. How To Do The Classic Chromatography Experiment

    Learn how to do the classic chromatography experiment. Fold a coffee filter in half. Fold in half two more times until you have a triangular shape. Color the tip of the coffee filter with washable black marker. Get a good coat of ink on the filter. Add a small amount of water to a plastic cup. Place the black tip of the coffee filter in the cup.

  17. Coffee Filter Science Experiment: Chromatography for Kids

    You will need six different filters one of each colour - e.g. green, blue, yellow, red, orange, purple. Fold the coffee filter in half, another fold making a 1/4 all the way to a 1/8 fold. Fill a glass with a little bit of water. Essentially, the cone tip of the coffee filter just needs to be in contact with the water.

  18. Coffee Filter Chromatography Experiment

    Fold the coffee filters in half, and then in half again. Step 4. Place the bottom points of the coffee filter into a cup that's about an 1-1 1/2″ filled. Step 5. Watch as the colors disperse! Step 6. Let your coffee filters dry and then admire the abstract colors! Step 7. Use the shapes inside the watercolor kit to create more cool artwork!

  19. PDF Coffee Filter Chromatography

    4. Dip just the tip of the middle of the coffee filter into the cup of water 5. Watch as the water gets soaked up through the filter 6. Observe which colors the black ink broke down into 7. Talk about why you think it takes more than one color to make black ink look black. 8. Try the experiment with a different brand of marker to see if the colors

  20. Hands On Science: Color Exploration

    Doing Color Exploration. Cut two coffee filters into large strips, about 2 inches wide. Take one marker and colored on a coffee filter strip and a second color colored on the other coffee filter strip. Wrap the top of the coffee filter strip around a popsicle stick and taped it in place. Next, fill cups with a few inches of water, just enough ...

  21. Coffee Filter Rainbow Craft

    STEP 3. Once dry, fold the coffee filters in half and then cut along the fold with scissors, creating two rainbow shapes from each filter. STEP 4. Download, print and cut out patterns HERE. Trace one cloud shape onto white craft paper and cut out with scissors. Attach cloud to rainbow with the glue gun and glue sticks. STEP 5.

  22. PDF Coffee Filter Flowers, Butterflies and Leaves —

    colors during this investigation. Distribute materials for the experiment. Instructions: Instruct students through the process of separating colors by asking them to draw a thick ring around the center of a coffee filter (near where the flat surface meets the ridged area) using a black water soluble marker.

  23. Easy Coffee Filter Flowers

    STEP 2. Place the colored coffee filters on a gallon size zipper bag or metal baking sheet pan and then mist with a water spray bottle. Watch the magic as the colors blend and swirl! Set aside to dry. STEP 3. The last step in your coffee filter flower bouquet is a stem!

  24. 10 Unexpected Uses For Coffee Filters

    Filters are necessary for making drip coffee, of course, but those paper filters aren't just single use. Turns out they are pretty handy in all sorts of other household chores. My favorite use for a coffee filter is to use one to line an 8- or 9-inch cake pan when you don't have parchment (or are too lazy to cut a perfect circle). Simply ...