ultraviolet radiation

"This book teaches students about UV and infrared radiation"--Provided by publisher.

Introduces readers to the ozone layer and UV radiation, discussing how to protect skin from cancer and how to help prevent further damage to the ozone layer.

Explains why light and sound are vital in observing the world, and describes how light is made; reflection, refraction, and absorption; how the eye and ears work; the Doppler effect; and the speed of sound; and includes instructions for a simple periscope.

Introduces readers to the ozone layer and UV radiation, discussing how to protect skin from cancer and how to help prevent further damage to the ozone layer.

Discusses the scientific studies of the ozone layer in the Earth's atmosphere, and the causes and effects of depletions of this layer.