Franklyn M Branley

Explains how and why a thunderstorm occurs and gives safety steps to follow when lightning is flashing.

Describes the sun and how it provides the light and energy which allow plant and animal life to exist on the earth.

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

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.

Explains basic facts about the Big Dipper, including which stars make up the constellation, how its position changes in the sky, and how it points to the North Star.