Welcome to Bedtime History. Hello, this is Breck.

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Close your eyes and imagine you're standing outside after a rainstorm.

The air smells fresh and drops of water still cling to the grass and leaves.

The clouds begin to move away and sunlight breaks through the sky.

Suddenly someone points and says, look!

You turn and see a giant arc of color stretching across the sky. Suddenly someone points and says, look. You turn and see a giant arc of color stretching

across the sky. Red, orange, yellow, green, blue, and purple shine softly above you. It feels a little

like magic, but rainbows are not magic at all. They are science, and once you understand how they

work, they become even more

amazing. A rainbow happens when sunlight and water work together. Sunlight may look white or clear to

our eyes, but it is actually made of many different colors mixed together. All those colors are

traveling through space together every time sunlight shines on

earth. Most of the time they stay blended, so we don't notice them separately. After it rains,

tiny drops of water float in the air. These drops act like millions of tiny glass balls. When

sunlight enters a raindrop, something special happens.

First, the light bends. Scientists call this bending refraction.

Light bends because it slows down when it moves from air into water.

Each color bends a little differently, which begins to separate the colors from one another. Next, the light

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