Why Do the Lights Turn On?

ISBN-13: 9781604134711 / Angielski / Twarda / 2009 / 32 str.

Robert Famighetti

Opis

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.