This book describes what map scales are and how to use them to compare map distances to real distances.

With their rumbling thunder and flashing lightning, these storms are spectacular to witness. However, lightning bolts can prove deadly and thunderstorms can be the source of dangerous tornadoes and damaging hail. This informative volume both illuminates the dangers thunderstorms pose and offers helpful steps readers can take to keep themselves safe during one. Also featured are stunning photos of both the storms themselves and the destruction they...

Introduces tornadoes describing their characteristics, origins, effects, safety tips, and more.

Describes the events and people surrounding the creation of the atomic bomb, and examines the effects of its use during World War II.

Presents an introduction to bats, discussing their physical characteristics, habitat, life cycle, and hunting behavior.

Describes the physical characteristics, plant and animal life, explorers, and environmental problems of the world's largest ocean, the Pacific. Includes Internet links to web sites related to oceans.

This book describes the physical characteristics, plant and animal life, explorers, and environmental problems of the world's smallest ocean, the Arctic.

This book describes the physical characteristics, plant and animal life, exploration, and environmental problems of the Southern Ocean, the waters surrounding the continent of Antarctica.