Rainbow STEM Activities
Whether your kids are homeschooled or just looking for something fun and educational to do on a rainy day, these rainbow STEM activities will have them learning in no time!
What’s the best way to brighten up a dreary day? A rainbow of course!
Rainbows are beautiful and mysterious, and they can be a great way to get kids excited about science.
For more rainbow-themed ideas, check out these Colorful Rainbow Activities for Kids.
This post may contain affiliate links meaning I get commissions for purchases made through links in this post. Read my disclosure policy here.
Rainbow STEM Activities for Kids
Rainbows are a magical sight that makes us smile and feel connected to the world around us. They not only look beautiful, but they can also teach us about science and technology.
With some simple materials and a little creativity, you can give your kids the opportunity to explore some rainbow facts with some fun rainbow STEM activities.
For example, you can make rainbow slime! Using food coloring, you can create different colors of slime and let your kids experiment with mixing them together. Talk about what happens when two colors mix together and how light reflects off of the colors to create a rainbow effect. Your kids will have tons of fun while learning all about color theory!
Exploring rainbows through STEM activities is an awesome way to engage little ones in learning something new while having fun at the same time! Kids will love experimenting with different colors while gaining an understanding of science concepts like light refraction, engineering principles, and more!
Kids will love these colorful activities to get them excited to learn about the colors of the rainbow and how they’re formed.
Recommended Rainbow Books for Kids
KIDS LOVE COLORS! That is why grabbing these rainbow books for them is a great idea. With these books, they will learn how rainbows are formed and why everyone loves seeing them!
Rain Before RainbowsHow the Crayons Saved the RainbowThe Rainbow Beeall about RAINBOW: Encyclopedia Book for kids age 5 and upRainbow: Ready-to-Read Level 1 (Weather Ready-to-Reads)Did You Know? The Rainbow Edition
Recommended Rainbow Activity Kits
Your little one will enjoy hours of playing with this rainbow sensory tray! Grab this activity kit for a fun way to develop fine motor skills while they enjoy an educational imaginative play.
Get this rainbow-themed crafts box. Kids will love making colorful arts and crafts with this activity kit.
Rainbow STEM Activities
Whether you're learning how rainbows are formed or you just want a colorful activity to do with your little one, you can always count on these Rainbow STEM Activities!
Rainbow Slime Recipe
Your kids will love making this colorful rainbow slime with your kids. You can't go wrong with slimes!
Fizzy Rainbow Science
This fizzy rainbow science activity fun will guarantee squeals of laughter and a great amount of fun. Watch their faces light up when they see what happens to their beautiful rainbow.
Rainbow Pop and Mentos Experiment
There’s nothing like an explosion to grab your kids’ attention! And the messier the better, right? This Rainbow Pop and Mentos Experiment is a classic with a twist!
How to Grow a Crystal Rainbow
Learn how to grow a crystal rainbow. This is such a fun STEM experiment for the kids. Perfect for rainbow fun paired with learning, too.
Rainbow Foam Dough
This super fun Rainbow Foam Dough is not only visually appealing, with all the fantastic colors, but is also incredibly fun to play with.
Fun Rainbow Ice Activity
This rainbow ice activity is a fun snow activity for the colder winter months. The kids will be amazed at how bright the colored ice shows up against the beauty of the white snow.
How to Make Colored Rice
Do you know you can make colored rice that you can use on your sensory bins? Find out how easy to do this!
How to Do the Bouncy Rainbow Rubber Eggs Experiment
If you have eggs, try this super fun activity and make your very own rainbow colored rubber eggs.
Magic Milk Rainbow Science Experiment
Be amazed to see a colorful version of this magic milk experiment.
Disappearing Rainbow Colours
Find out how the color in a bottle/jar disappears when you put bleach on it.
Rainbow Rocket Science
Your little one will love these rockets that blast off in the air because of chemical reactions,
Frozen Rainbow Eruptions
Learn about the science of freezing with this frozen rainbow eruption experiment.
Rainbow Foam Eggs
Watch how foam forms inside these colorful eggs! A great activity to make use of those plastic Easter eggs.
Discover the science behind rainbows with this prism experiment.
Rainbow STEM activities can be both educational and entertaining for kids! With these activities, you can help your children learn more about color mixing, engineering principles, and meteorology in an exciting way that will keep them engaged for hours on end.
So don’t let gloomy days bring down your family’s spirits – break out the rainbow supplies instead! You never know what new discoveries await when you turn learning into playtime!
More Colorful Activities for Kids
Color Sorting Activities for Preschoolers
Color Matching with Wooden Blocks
Perler Bead Rainbow Engineering Challenge by STEAMsational