Thousands of earthquakes happen each year and Bill Nye the Science Guy trembles in his boots when he explains what causes them. In Earthquakes, find out what makes big pieces of the Earth's crust (the plates) move and what you should have on hand in case of a quake.

Originally an episode of the television program Bill Nye, the science guy. Features: fully indexed "chapters" correlated to National Science Standards; interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews, and demos; on-disk implementation guide.