Presents an introduction to weathering and erosion and discusses how the earth is constantly changing due to landslides, wind and water erosion, and other natural factors.

Igneous rocks form when molten rock cools and hardens. Readers will learn how differences in composition and cooling form different types of igneous rocks. Chapters include graphic organizers to help explain topics such as mountain formation, volcanoes, and how igneous rocks fit into the larger rock cycle.

Sedimentary rocks form from built-up layers of eroded rock and plant matter pressed together over time. At-level text and graphic organizers explore how the makeup of sediment, rock formation, and identifying different kinds of sedimentary rocks. Readers will also learn how fossils form in sedimentary rocks, and the role sedimentary rocks play in the rock cycle. The interactive eBook version features videos, graphic organizers, and photographs that...