Cameras, Eyes, and Glasses is about three important things that use lenses to refract light.
The book explains what lenses are and what they do, then describes the lenses in cameras, eyes, and eyeglasses. Photographs and ray diagrams help students understand how the lenses work.
The book also includes suggestions for simple activities readers can do to observe refraction in action.
It reinforces and extends students’ firsthand investigations by providing examples of refraction in use in the world.
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