Electricity can be used to make light, heat, and sound--each of which makes the lives of human beings much easier. In this volume, readers learn how electricity works, the different sources of electricity, and how to safely use electricity in their everyday lives. Full-color photographs of key electrical features, such as circuits and conductors, are featured alongside achievable text that guides readers in understanding the world of electricity. Readers will even be introduced to awesome animals that can make electricity inside their bodies!