Get hands-on with these 25+ rainbow science activities for elementary students! Make science come alive with these activities to make learning epic.
Hands-on Rainbow Science Activities
Learn about the density of liquids and basic color mixing in this activity!
Exploring Rainbows, Lights and Colors – A Little Pinch of Perfect
This sensory science activity is a fantastic introduction to light and color.
With only a few household ingredients, create crawling colors in this experiment.
Rainbow Lemon Eruptions Salt Tray – Kids Play Box
Get messy with this salt tray!
How can flowers change colors? Find out in this really fun and unique experiment that elementary students will love!
Rainbow Soap – Fun At Home With Kids
This soap activity is great for sensory and allows kids to get messy while learning about different colors. Learn what happens when you mix primary colors together.
Turn your volcano into a colorful mess with this rainbow volcano.
What liquids don’t mix? Find out in this colorful multi-layered rainbow jar!
Scented Rainbow and Sensory Play – Fun-A-Day
Combine science and sensory play for the little ones.
Check out this mom’s popular take on the rainbow milk project.
Practice basic chemical reactions with this activity meant for toddlers.
Rainbow Foam Eggs – Inspiration Laboratories
Grab some plastic eggs leftover from Easter for this fun project.
How are rainbows created? Find out with this experiment!
Make your own rainbow paper with only three materials!
Growing Rainbow Crystals – Frogs and Snails and Puppy Dog Tails
Grow rainbow crystals with this easy and fun experiment at home.
White coffee filters allow for great experimentation with color bleeds.
Explore the different spectrum of light with this homemade spectroscope!
Rainbow Rocket Science – Frogs, Snails and Puppy Dog Tails
Take the kids outside for this bright and colorful experiment kids will love.
Explore color with this sensory science activity for the little ones.
Have kids paint with these fun rainbow pops.
There’s only a few household ingredients needed for these bright rain clouds.
Explore two different types of color patterns with this simple rainbow ice and salt experiment! The main prep time involves freezing two blocks of ice.
Rainbow Ice Chalk – Reading Confetti
On a warm day, create this bright and colorful homemade ice chalk!
You’ll need a packet of Skittles for this layered rainbow experiment!