Readers are introduced to basic concepts of energy and where it exists all around them, right down to matter and the atom. Fact boxes bolster vocabulary words, while "Compare and Contras" and "Think About It" boxes stimulate thinking, reading, writing, and discussion.,This illuminating volume supports Common Core Science Standards, evaluation of evidence, understanding scientific theories, and connecting and relating knowledge. The lively narrative with real-world examples explains terms and concepts, and full-color photographs and illustrations energize the text.