What Makes a Rainbow?

Sun, rain, and light work together to paint colors in the sky.

Pick your reading level

Tap a level. The words on this page will change to fit you.

Elementary level: big words are made simple, and sentences are short.

Words to know

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Sources

The facts on this page come from the U.S. Geological Survey (USGS) Water Science School page, “Rainbows (Water and Light).” Only those facts are used here.

Facts checked November 2026.