Here is a collection of our favorite rainbow science activities for kids. These rainbow STEM and/or STEAM activities are perfect to do around spring, St. Patrick’s Day or any time of year and make a great addition to any science units on weather and light!

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Exploring the science of rainbows and light is always exciting for kids of any age. In this collection you’ll find hands-on ways to explore rainbows for a variety of ages.

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Rainbow Science Activities for Kids

Creating Light Patterns with a CD

Homemade Spectroscope

Prism Exploration

Beaded Rainbow Necklace

Making Rainbow Reflections

Rainbow Bubbles

Color Sensory Science

Color Mixing with Light Refraction

Rainbow Paper

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