Why Do the Lights Turn On? (Science in the Real World) By Barbara J. Davis
English | 2009-09-30 | 32 Pages | ISBN: 1604134712 | PDF | 3,2 MB
When you walk into a room and flip a light switch, a lightbulb turns on, illuminating the area. But how does one small switch do such a large job? This title enlightens readers about the science behind electricity and circuits through full-color illustrations and photographs.
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