Dig into the world of geology with the Rock On series Rockin' Rocks introduces readers to what rocks are and how they form. Chapters build concepts from the ground up, from atoms, elements, and minerals to Earth's layers, tectonic plates, and the three classes of rock. Real-world examples like the Grand Canyon, Devils Tower, and Arches National Park bring to life igneous, sedimentary, and metamorphic rock. Full-color photographs will draw in readers...