Describes the origin and nature of tornadoes and how to stay safe when threatened by one of these dangerous storms.

Describes how magnets work and includes instructions for making a magnet and a compass.

Examines life aboard a space shuttle, describing how astronauts deal with weightlessness, how they eat and exercise, some of the work they do, and more.

Read and find out about one of nature's most mysterious forces-the earthquake. Some earthquakes are so small that you don't even feel them, while others can make even big buildings shake! Learn why earthquakes happen, where they are most likely to occur, and what to do if one happens near you.

Discusses volcanoes, what causes an eruption, and the warning signs.