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Water droplet rainbow
Age 11 · Physics
Sunlight passes into a round water droplet, bends, and bounces off the inside back. It leaves as a fan of colored rays.
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Age 11: open this week
Browse Age 11
In the picture
- White sunlight beam entering the droplet
- Front surface of the droplet where light bends
- Back inner wall where light reflects
- Outgoing rays where colors spread apart
Examples
- A rainbow after a rain shower
- A garden hose spray in bright sunlight
Key takeaways
- A water droplet can split white sunlight into colors.
- The colors leave at slightly different angles.
Quiz: Water droplet rainbow (Age 11)
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What does a water droplet do to white sunlight?
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Where does light bend when it enters a water droplet?
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What happens to the colors when the rays leave the droplet?
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