Includes bibliographical references (page 31) and index.

"Geothermal heat, made by the disintegration of the radioactive atoms in Earth's core, is not a subject young readers often get to learn about. Heavy metals and solar energy, two topics that are constantly appearing in technology news today, are typically left for more advanced readers to discover and understand. By using accessible yet exciting language and bold, colorful photography and art, this book lets young readers explore a plethora of fascinating yet digestible facts about what our planet naturally provides and how we harness it." --,(Source of summary not specified)