5It's easy to think of Earth as one big rock beneath our feet. The reality is far more interesting! In this volume, young geologists will learn more about the makeup of our planet and the massive sheets of rock that move over its surface. Illustrations, photos, and intriguing hands-on projects will help them understand how Earth's tectonic plates lead to features such as mountains and ocean trenches, as well as natural disasters such as earthquakes and volcanic eruptions.