Color Experiments For Kids

Color is a fun topic to explore, especially when I have activities that grab my kids’ attention without requiring a lot of preparation. I’m sharing these Color Experiments For Kids, some of our favorite hands-on projects that get kids excited about science and art simultaneously.

If you’re into fun and engaging activities, be sure to check out my collection of Simple Science Experiments. It’s filled with hands-on ideas for every age group.

If you have older children or are wrangling a toddler and school-age siblings, like me, you’ll find something here that’s both doable and fun. Continue reading to discover color through science, sensory play, and art in ways your kids won’t forget.

collage of Color Experiments For Kids

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Fun Facts About Colors

Color is more than just visually appealing—it reveals how light works, how our eyes perceive things, and even how animals perceive the world in a different way.

  • Some animals see colors we can’t: For example, bees can detect ultraviolet light, which is totally invisible to us. This helps them find nectar in flowers more efficiently.
  • Pink technically isn’t a real color: It doesn’t exist in the spectrum of light, so our brains create it by mixing red and violet. That means pink is more of a mental interpretation than a standalone wavelength.
  • Color can alter how things taste: Studies show that people perceive drinks as sweeter when they’re red or orange, even if the flavor remains the same. Our brains link specific colors to expected flavors.

If you want to add some reading to your color exploration, these rainbow-themed books have been great additions to our homeschool shelf.

Rain Before RainbowsRain Before RainbowsHow the Crayons Saved the RainbowHow the Crayons Saved the RainbowThe Rainbow BeeThe Rainbow Beeall about RAINBOW: Encyclopedia Book for kids age 5 and upall about RAINBOW: Encyclopedia Book for kids age 5 and upRainbow: Ready-to-Read Level 1 (Weather Ready-to-Reads)Rainbow: Ready-to-Read Level 1 (Weather Ready-to-Reads)Did You Know? The Rainbow EditionDid You Know? The Rainbow Edition

 

Why Should Kids Study Colors?

Understanding color builds a foundation for science, art, and early literacy.

  • Science connections: Learning about light, refraction, and chemical reactions becomes more approachable when we start with color.
  • Vocabulary growth: Talking about shades, patterns, and changes in appearance helps kids build descriptive language.
  • Observation skills: Kids become more aware of details in their surroundings when they start noticing how colors shift or blend.

My favorite way to add themed learning is with printables, especially when I need something quick and engaging. These spring printables tie in beautifully with color topics while practicing math and early literacy.

Supplies You’ll Need for These Rainbow Experiments

Here are some common materials to keep handy when trying out these experiments:

  • Baking soda
  • Vinegar
  • Food coloring
  • Skittles or hard candies
  • Plastic cups
  • Water
  • Dish soap
  • Straws
  • Paper towels
  • Coffee filters
  • Mentos and soda
  • Craft supplies (glue, scissors, paper)

If you’re looking for something that’s already put together, I recommend checking out a few rainbow toys. They’ve saved me more than once when I needed a last-minute activity that still felt fun and educational.

Sarah's Silks Rainbow Streamer - 8' Long Twirling Ribbon Wand for Kids | Montessori and Waldorf ToysSarah’s Silks Rainbow Streamer – 8′ Long Twirling Ribbon Wand for Kids | Montessori and Waldorf ToysWooden Rainbow Stacking Toy, Wood Stacker Arch Game, Montessori Arch Bridge Rainbow Building Blocks, Colorful Stacking Blocks Puzzles for Kids 2 3 4 5 Years Old, Rainbow Decor ToysWooden Rainbow Stacking Toy, Wood Stacker Arch Game, Montessori Arch Bridge Rainbow Building Blocks, Colorful Stacking Blocks Puzzles for Kids 2 3 4 5 Years Old, Rainbow Decor ToysRainbow Sorting SetRainbow Sorting SetPeaceable Kingdom Shimmery Rainbow Floor PuzzlePeaceable Kingdom Shimmery Rainbow Floor PuzzleSkillmatics Magnetic Matching Activity - The Alphabet Rainbow, Preschool Learning Toy & Game for Kids, 35+ Magnetic Pieces, Gifts for Girls & Boys Ages 3, 4, 5, 6Skillmatics Magnetic Matching Activity – The Alphabet Rainbow, Preschool Learning Toy & Game for Kids, 35+ Magnetic Pieces, Gifts for Girls & Boys Ages 3, 4, 5, 6PLUS PLUS 70 Piece Interlocking Building Blocks for Kids, Open Ended Connecting Toys, STEM Bin Classroom Mini Manipulatives - Rainbow Mix Play TubePLUS PLUS 70 Piece Interlocking Building Blocks for Kids, Open Ended Connecting Toys, STEM Bin Classroom Mini Manipulatives – Rainbow Mix Play Tube

 

What skills do these color science activities teach?

These color experiments help kids build real-world knowledge in a creative way.

  • Scientific thinking: Kids make predictions and watch reactions unfold right before their eyes.
  • Fine motor skills: Activities such as pouring, mixing, and using tools like droppers all help develop hand-eye coordination.
  • Creative exploration: Activities like process art or colorful volcanoes give kids the freedom to explore outcomes without pressure.

More Science Activities To Try

There are numerous ways to explore color beyond these color-themed activities. Try adding some of the science activities below to keep the excitement going.

Fun Fizzy Apple Volcano Science Experiment
The apple twist made this experiment feel fresh and seasonal. My daughter loved how the foam bubbled up in unexpected colors.
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Fizzy Rainbow Science
This one is great for a quick setup. Just baking soda, vinegar, and some color—and you get a fizzy, eye-catching result.
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Rainbow Pop and Mentos Experiment
Definitely do this one outside. It’s a messy, fizzy explosion of color, and kids love the surprise factor.
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The final product on How to Grow a Crystal Rainbow
Grow a Crystal Rainbow
This takes some patience, but the end result is worth it. My older two enjoyed checking the progress each morning.
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Magic Skittles Experiment
We did this on a whim with leftover Halloween candy. It's a fast, colorful display that’s great for younger kids, too.
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Fizzy Bottle Caps Science Experiment
https://www.darcyandbrian.com
Fizzy Bottle Caps Science Experiment
A fun way to reuse bottle caps and practice basic chemistry. The reactions are tiny but satisfying.
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Color Changing Flowers
https://taminglittlemonsters.com
Color Changing Flowers
This one always reminds me how cool plants are. It’s such a visual way to explore absorption.
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https://www.mamasmiles.com
Easy Fluid Dynamics Experiment
This gives older kids a peek into more advanced science. We used milk and food coloring, and it was almost hypnotic to watch.
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Melting Rainbow Preschool Science Experiment
https://www.darcyandbrian.com
Melting Rainbow Preschool Science Experiment
Perfect for younger kids who love sensory play. You just need colored ice cubes and warm water.
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https://barleyandbirch.com
A DIY Process Art Lab for Kids
Great for creative afternoons. There's no right or wrong outcome, which takes the pressure off.
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Cute STEM Rainbow Art Craft Project
https://twokidsandacoupon.com
Cute STEM Rainbow Art Craft Project
We used this as a way to practice cutting and pasting. It was a relaxing activity after a busier science day.
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How to Create a Foaming Rainbow
https://twokidsandacoupon.com
How to Create a Foaming Rainbow
It combines science and sensory play so nicely. My kids got a kick out of watching it grow.
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Viscosity Art STEAM Project
https://www.darcyandbrian.com
Viscosity Art STEAM Project
This one helped explain a more advanced idea with paint. It’s part art, part science, and very engaging.
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Oil and Water Color Changing Lab
https://www.darcyandbrian.com
Oil and Water Color Changing Lab
Simple but so visually appealing. Watching the color move through oil is like a lava lamp in action.
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https://sciencekiddo.com/rainbow-paper-kid-color-science/
Rainbow Paper
We did this one afternoon using stuff from the kitchen. It creates real rainbow patterns with minimal effort.
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Color activities are always a hit at our house, and they work for such a wide age range. Whether you’re doing a quick experiment or digging into a more detailed project, there’s so much to explore and learn.

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