Plate Tectonics Review - 2nd Half Question Preview (ID: 59186)


Review For The Plate Tectonics Unit. TEACHERS: click here for quick copy question ID numbers.

The San Andreas Fault is created by:
a) a convergent boundary where collision is happening
b) a convergent boundary where subduction is happening
c) a divergent boundary
d) a transform boundary

Major tectonic plates are _____________ than minor tectonic plates
a) less dense
b) more dense
c) larger
d) smaller

The lithosphere is made of:
a) the crust
b) the crust and top of the upper mantle
c) the top of the upper mantle
d) the bottom of the upper mantle

The asthenosphere is made of:
a) the crust
b) the crust and the top of the upper mantle
c) the top of the upper mantle
d) the bottom of the upper mantle

The lithosphere is broken into:
a) continents
b) convection currents
c) supercontinents
d) tectonic plates

The asthenosphere can be described as being similar to:
a) a cracked eggshell
b) ocean water
c) a plastic like substance like silly putty
d) tectonic plates

The forces inside the asthenosphere that scientists believe are responsible for tectonic plate movement are called:
a) continental drift
b) convection currents
c) seafloor spreading
d)

When material is heated in a convection current, what happens to the material's density?
a) its density DECREASES
b) its density INCREASES
c) its density STAYS THE SAME
d)

When material is cooled in a convection current, what happens to the material's density?
a) its density DECREASES
b) its density INCREASES
c) its density STAYS THE SAME
d)

Heated material in a convection current _______________, while cooled material in a convection current ____________.
a) falls, rises
b) rises, falls
c) cools down, heats up
d) increases in density, decreases in density

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