The violent earth

Photographs and text discuss the causes and effects of such storms as hurricanes, tornadoes, tidal waves, dust storms, sandstorms, and blizzards.

Text and accompanying photographs take a look at what causes flooding, why it is so destructive, and what people in high-risk areas can do to lessen its effects.

Discusses what volcanoes are, why they occur, and volcanic eruptions in history. Includes a project to build a papier m?che volcano that erupts.

Text and accompanying photographs discuss the causes and effects of earthquakes, examines the destructive power of historic and modern earthquakes, and explains how scientists use tools to predict them. Includes related projects.