Hoffman, Steven M

Provides an overview of volcanoes and earthquakes and discusses how they assist in the formation and movement of rocks.

This book describes the many parts mixed together that become soil; the breaking down (weathering) of rock by ice, heat, cold, and growing plants; and the layers of soil, called horizons.

This book describes weathering and erosion and discusses how weathering and erosion have shaped valleys, canyons, and arches.

This book describes Earth as an active planet which is hot inside and has a cool, rocky outside; identifies Earth's inner core, outer core, mantle, and crust; and discusses how Earth has three basic types of faults, how volcanic eruptions change land, and how earthquakes occur.

This book introduces identification of igneous, sedimentary, and metamorphic rocks and describes their many uses.

This book describes various kinds of fossils, such as mold fossils, cast fossils, trace fossils, and whole insect fossils found in amber.

This book introduces the several ways that crystals form and describes crystals that are used as gems.