Download or read book What Is a Circuit? written by E. T. Weingarten and published by Gareth Stevens Publishing LLLP. This book was released on 2013-01-01 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most essential concepts of physical science is the electrical circuit. Through accessible text, illustrations, and full-color photographs readers will learn about the key elements in a circuit, how electricity travels, and what happens when something goes wrong. They'll also discover that circuits are everywhere, including their MP3 players and their alarm clocks.