Prism and Rainbow
Age 9 · Science
White sunlight looks plain, but it is made of all the rainbow colors mixed together. When it passes through a glass prism, the colors spread out into a rainbow band.
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Age 9: open this week
Browse Age 9In the picture
- The narrow white beam before the prism: a bright white ray
- The triangular glass prism: a clear glass block that bends the beam
- The broad rainbow band on the screen: the separated colors
Examples
- A rainbow in the sky after rain
- The shiny colors on a CD
Key takeaways
- White light contains all the rainbow colors.
- A prism bends each color by a different amount, so they separate.
Quiz: Prism and Rainbow (Age 9)
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What is white sunlight really made of?
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What does a prism do to white light?
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After white light passes through a prism, what appears on the screen?
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