Franklyn Mansfield Branley

Describes the various properties of air and shows how to prove that air takes up space and that there is air dissolved in water.

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 the phases of the moon--the changes that seem to happen to it as it goes around Earth.

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

A simple explanation of how the rotation of the earth causes night and day.

Describes the nine planets and other bodies of the solar system; includes directions for making models showing the size of the planets and their distance from the sun.

Explains the construction and purpose of the International Space Station and the life of the astronauts on board.

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