Earthworks

Explains how mountains are created and how the surface of the earth changes.

Describes the formation of the earth, the composition of its surface and interior, and the effects of earthquakes and volcanoes.

Provides information about glaciers, explaining how they form, discussing the behavior of glaciers, and looking at their effects on Earth.

Explains what causes earthquakes and why the earth's surface sometimes moves and discusses tectonic plates, magma, and what happens when earthquakes occur under the ocean.

A basic introduction to oceans: how they were formed and how they work.

An in-depth look at Earth's waters and mankind's uses of water throughout history which includes ideas about planning better use of this critical resource in the future.

Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes.

Describes the atmosphere which makes life on earth possible, explores its effects on weather and climate, and examines what causes air pollution and what can be done about it.

Describes the importance of Earth's natural resources and discusses how their misuse and depletion endanger life on the planet.

An overview of the history of the Earth, the life that evolved on it, and known periods of mass extinctions, from the planet's origin to the present.