What Causes Rainbows?
The Big Idea
Discover how millions of tiny raindrops act as microscopic prisms. Learn how they bend and reflect sunlight to paint a colorful masterpiece across the sky, and why you can only see a rainbow when the sun is behind you.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding what causes rainbows? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
Redirecting to /wonders/what-causes-rainbows/watch...
Related Wonders
How Do Birds Flock?
Step into the mesmerizing mathematical dance of bird murmurations. Discover how thousands of individual birds follow three simple rules to create a giant, intelligent super-organism that can confuse predators and turn instantly without a single leader.
How Do Rockets Work in Space?
If space is a total vacuum with no air to push against, how does a massive rocket ship actually move forward? Unlock the secrets of Newton's Third Law and the physics of fire that allow us to reach the stars.
How Does GPS Work?
Discover the invisible network of satellites orbiting Earth that helps you find your way. Learn how high-tech atomic clocks and complex math allow your phone to pinpoint your exact location anywhere on the planet.
