Super Cool Rainbow Science Experiments | Coffee Cups and Crayons

Looking for a way to get your kids excited about science?

Just add rainbows!

Rainbows + hands on science = total awesomeness

These colorful, rainbow inspired science experiments will keep your kids entertained and learning while giving you a chance to answer your emails.

Walking Water Science Experiment

This water experiment is one of those classic science experiments that never get old. The set up is simple, you probably already have all the supplies in your kitchen, but the results are very cool! Save the colored paper towels after you are done for a future art project.

FULL INSTRUCTIONS HERE: Walking Water Science Experiment for Kids

Milk Rainbow Science Experiment

Your kids may think this experiment is magic but it’s really just science! Adding a little soap to a dish of milk with food coloring helps the colors travel up the washcloth creating a beautiful rainbow in its path.

FULL INSTRUCTIONS HERE: Crazy Cool Milk Rainbow Science Experiment

Magic Milk Science Experiment

Kids use a secret ingredient to make colors explode on a plate of milk. It’s one of those science and art activities that you can do again and again!

FULL INSTRUCTIONS HERE: Magic Milk Science Experiment

Sun Melted Crayon Art

Cover and old box with tin foil and let kids make a design with old broken crayons on the foil. Then set it out in the sun and make some melted crayon art!

FULL INSTRUCTIONS HERE: Sun Melted Crayon Art

Liquid Layers Density Science Experiment

Make learning about density colorful and fun! Use colored liquids of different densities to create a colorful rainbow in a jar that demonstrates how different liquids can be more and less dense.

FULL INSTRUCTIONS HERE: Liquid Layers Density Science Experiment

Climbing Rainbow Science Experiment

With just a few common household items, you can watch colors blend to create your own beautiful climbing rainbow. Setup is quick and the results are different every time!

FULL INSTRUCTIONS: Climbing Rainbow Science Experiment

Skittles Candy Science Experiment

This Skittles candy science experiment is a favorite because you only need two supplies and the results are impressive.

FULL INSTRUCTIONS: Skittles Candy Science Experiment

Mad Scientist Science and Art Activity

This science and art activity is one kids love to do! You use colorful vinegar and baking soda to create bubbling masterpieces.

HOW TO: Preschool Science and Art Activity

Salt Crystal Painting STEAM Activity

Glue, salt and colored water are all you need to set up this STEAM (science, technology, engineering, art and math) activity! Experiment with different designs and colors to see how your salt crystal paintings change.

FULL INSTRUCTIONS HERE: Salt Crystal Painting STEAM Activity

Pom Pom Drop STEM Challenge

Encourage problem solving skills in kids with 3 simple items from your house! Kids can design and re-design the the drop to extend the fun and learning.

FULL INSTRUCTIONS HERE: Pom Pom Drop STEM Challenge