Earth Science: Geology, the Environment, and the Universe, New York

Section 4: Cause of Plate Motions

Causes of Plate Motions

1.
What is thought to be the driving mechanism of plate movement?
A)volcanoes
B)conduction of heat in the mantle
C)continental drifting
D)convection currents in the mantle
2.
How are the convection currents set in motion?
A)slab push and ridge pull
B)slab push
C)the heat from radioactive decay
D)spreading mid-ocean ridges
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.