Helen J Challand
2) Volcanoes
Author
Series
Pub. Date
c1983
Accelerated Reader
IL: LG - BL: 4.5 - AR Pts: 1
Description
Discusses what causes volcanoes, where they are likely to occur, and how scientists study them.
4) Earthquakes
Author
Series
Pub. Date
c1982
Accelerated Reader
IL: LG - BL: 3.7 - AR Pts: 1
Description
Briefly describes the earth's interior, the forces and stresses that sometimes cause the ground to shake, and the effects of such movement.