A guide to light, sound and electricity. There are photographs showing soundwaves, X-rays, wave behaviour and complex electronic structures. Also included are activities, facts and figures, a glossary of useful terms, revision questions, and links to over 100 relevant Web sites.
9780746078518 (hbk) : 14.80 BND
ELECTRICITY--JUVENILE LITERATURE LIGHT--JUVENILE LITERATURE SOUND--JUVENILE LITERATURE