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STEM story - Ages 7-9

How Does a Rainbow Split the Light?

Vern, Magician Llama, and a color surprise

8 pages • read your way

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Vern and Magician Llama stand beside a prism, flashlight, water glass, and white card in the Wonder Lab

Page 1

How does a rainbow split the light?

Vern and Magician Llama have a bright color mystery to solve.

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Vern and Magician Llama watch a rainbow fade outside the Wonder Lab window as a cloud covers the Sun

Page 2

Where did the colors go?

A cloud covers the Sun, and the rainbow fades away.

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Vern points from a clear water glass toward a flashlight and blank card while Magician Llama listens

Page 3

Vern's prediction

Vern wonders whether water adds colors to light.

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A white flashlight beam passes through a clear triangular prism toward a blank card while Vern and Magician Llama watch

Page 4

The test

They send one white beam through a clear prism toward a card.

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A prism spreads one white flashlight beam into a clean band of rainbow colors on a white card

Page 5

A surprise!

The prism spreads the white spot into a band of colors.

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Vern traces a white beam through a prism into separated colors that bend downward through a clear water glass while Magician Llama points toward it

Page 6

Vern revises his idea

Vern sees the colors bend and separate as light moves through glass or water.

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Vern and Magician Llama observe a safe flashlight-and-prism activity with the beam aimed at white paper

Page 7

Try it safely

With a grown-up, they observe a spectrum on white paper without aiming light at eyes.

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Vern and Magician Llama smile beside a prism setup with a rainbow band on a white card

Page 8

Remember the rainbow's journey

White light, bending, and different colors come together to make the rainbow story.

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