Sound and Light
Karen Bryant-Mole
Hardcover
(Heinemann Library, Oct. 14, 1996)
FOR USE IN SCHOOLS AND LIBRARIES ONLY. This book explains the basic principles of sound and light through looking at everyday experiences and direct observation. Topics include: how sounds are created; how food is related to sunlight; why some sounds are loud and some are soft; why you can still see when it's dark outside; and, how day turns into night.