A guide to the origins, principles, and historical study of light.--from the publisher
64 pages 978-0789448859 Ages 8-12
Keywords: light, science, how things work, physics, nonfiction, information, electromagnetic spectrum, part of a series, 8 year old, 9 year old, 10 year old, 11 year old, 12 year old, ultraVIOLET, infraRED
