Rock-ology

"Beneath our feet extreme pressure and heat inside Earth's crust is constantly forming new, super-hard rock. Inside this book, readers will find a clear, accessible, step-by-step explanation of how igneous and sedimentary rocks can undergo incredible transformations to become a new type of rock called metamorphic rock. Readers will investigate the properties of metamorphic rocks and explore how these rocks have been used to create buildings and beautiful...

"In the Arizona desert stands a stunning rock formation called The Wave. How did the rock's colorful layers form? How were its wave-like, curves created? This book features a clear, accessible, step-by-step explanation of how sedimentary rock forms. It also explores how erosion by wind and water can shape rocks into amazing structures. Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful,...

"A chunk of granite rock may look gray and boring, but take a closer look under a microscope and it's possible to see that the rock is made from billions of tiny colorful grains. Each microscopic grain is a substance called a mineral, and it's minerals that are the ingredients that make up all the rocks on Earth. In this book, readers will learn how different combinations of minerals create different types of rocks. They'll discover that metals, such...