Provides information about floods, explaining how and why they happen, discussing flood prevention, and looking at the aftermath of floods. Includes a related activity that demonstrates how different soils absorb water differently.
Color photos fill this overview of volcanoes, which describes how they form and erupt, volcano groups, and the effects of eruptions; explains how to make a model volcano; and lists related books and Web sites.
Explains how and why ice storms form, discusses the damage they can cause, looks at ways to predict them, and examines some of history's most disastrous ice storms.
Describes the forces that cause earthquakes; famous earthquakes in history; the possible environmental effects, such as global warming; and earthquake predictions and precautions.