Includes bibliographical references and index.

Blown Away -- Terrible twisters : what weather conditions are needed for tornadoes to form -- Touchdown hot spots : where and when do most tornadoes happen on Earth? -- Tornado trackers : how do scientists track and study tornadoes? -- The BIG truth : what are storm chasers? -- Tragedy strikes : what were some of the most dangerous tornadoes to strike in recent years? -- Staying safe : what should people do to protect themselves from tornadoes? -- Think like a scientist -- Make a tornado in a jar -- True statistics.

"This book shows readers the awesome power of tornadoes"--

Ages 8-10. Scholastic Inc.

Grades 4-6. Scholastic Inc.