Branley, Franklyn M

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

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

Presents a simple introduction to earthquakes and explores their causes and how they are measured. Discusses major earthquakes from throughout history and describes what to do if caught in an earthquake.

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 how to view stars and ways to locate star pictures, known as constellations, throughout the year.

Describes various scientific theories which explore the extinction of the dinosaurs.