Switch On, Switch Off (Let'S-Read-And-Find-Out Science 2)Read and find out about electricity in this colorfully illustrated nonfiction picture book. It seems like magic! It's notit's electricity. But how does a light actually work? In this clear and simple book learn all about electricity, how it's produced, and how it can be used. At the end you'll learn how to conduct safe, fun experiments that will let you generate electricity yourself! This is a clear and appealing science book for early elementary age