"Let in the light! What exactly is light? Learn all about the concept of light and how it plays a part in your everyday life. Find out where light comes from, how you see it, and if it really bounces!"--Back cover.
"This book looks at the different places light comes from,including natural and artificial sources. Discover the difference between a light source and a reflective object and how you can tell which is which. Look at our largest andmost important light source, the Sun, and what happens when you take sunlight away. Explore light technology by finding out how we use lasers and fiber optics."--Provided by publisher.
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.
Discusses the concepts of light and dark, light sources and light rays, shadows, and related topics, and includes a short story about four cousins who use shadows to put on a show.
Examines the links between design in the natural world and design in modern technology through an investigation of the basic principles of light, and includes simple experiments, definitions of key terms, photographs, and diagrams.