Plate tectonics /
Alvin Silverstein, Virginia Silverstein, and Laura Silverstein Nunn.
- Brookfield, Conn. : Twenty-First Century Books, c1998.
- 64 p. : ill. ; 26 cm.
- Science concepts .
- Silverstein, Alvin. Science concepts. .
Includes bibliographical references (p. 59) and index.
Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes.