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? Why Do the Lights Turn On? enlightens readers about the science behind electricity and circuits through full-color illustrations and photographs.
Barbara J. Davis has written books on science topics for kids for more than 15 years. She has published books on ecosystems and biomes, as well as on earth science subjects.