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Chapter 7 Test Review
Plate Tectonics
Inside the Earth
Restless
Continents
The Theory of
Plate Tectonics
Deforming the
Earth’s Crust
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The strong, lower part of the
mantle that lies beneath the
asthenosphere is called
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A. outer core
B. lithosphere
C. inner core
D. mesosphere
The word mesosphere means
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A. inner sphere
B. rock sphere
C. middle sphere
D. weak sphere
3. How many major tectonic
plates are there?
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A. fourteen
B. ten
C. seven
D. five
4. The thickest part of a
tectonic plate lies below
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A. the center of a continent
B. a mountain range
C. a coastal plain
D. the middle of the ocean
5. The speed of seismic waves
depends on the ____ of the
layer through which they travel
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A. position
B. thickness
C. density
D. shape
6. The part of the Earth that
is a liquid is the
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A. mantle
B. crust
C. outer core
D. inner core
7. Which of the major tectonic
plates is the smallest?
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A. Antarctic plate
B. Pacific plate
C. Cocos plate
D. Australian plate
8.The outer most, rigid layer
of the Earth is called the
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A. outer core
B. asthenosphere
C. lithosphere
D. mesosphere
9. Continental crust has an
average thickness of
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A. 5 to 8 km
B. 30km
C. 5 to 100 km
D. None of the above
10. The solid, dense center of
our planet is called the
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A. mesosphere
B. outer core
C. inner core
D. asthenosphere
11. In which layer of the Earth
are convection currents believed
to occur?
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A. the lithosphere
B. mesosphere
C. the asthenosphere
D. outer core
12. The part of the Earth on
which the tectonic plates are
able to move is the
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A. mesosphere
B. lithosphere
C. asthenosphere
D. subduction zone
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13. Sea-floor spreading occurs
at which type of plate
boundary?
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A. a transform boundary
B. a convergent boundary
C. a divergent boundary
D. all of the above
14. Which of the following was
NOT used as evidence to
support the theory of
continental drift?
• A. the existence of convection currents
• B. the matching of glacial grooves on
different continents
• C. the similarity of fossils found on
continental coasts
• D. the close fit if continental coastlines
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15. When two tectonic plates
move away from one another,
the boundary between them is
called a
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A. convergent boundary
B. transform boundary
C. divergent boundary
D. subduction zone
16. Which of the following
appears to cause movement of
Earth’s tectonic plates?
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A. faults in mountain ranges
B. energy from volcanic activity
C. magnetic-pole reversals
D. convection currents below the
lithosphere
17. Mid-ocean ridges are
associated with
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A. normal boundaries
B. divergent boundaries
C. convergent boundaries
D. transform boundaries
18. _____ is the process by
which hot material from deep
within the Earth rises while
cooler material near the
surface sinks
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A. ridge push
B. slab pull
C. convection
D. sea-floor spreading
19. When horizontal stress
acts on a rock, ____ form.
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A. synclines
B. anticlines
C. monoclines
D. both (a) and (b)
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20. In the diagram above,
which of the following has
formed at B ?
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A. a fault-block mountain
B. a folded mountain
C. a volcanic mountain
D. none of the above
Diagram above
21. In the diagram above,
which type of boundary is
occurring at A ?
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A. a convergent boundary
B. a strike-slip boundary
C. a transform boundary
D. a divergent boundary
Diagram above
20. In the diagram above,
which of the following has
formed at B ?
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A. a fault-block mountain
B. a folded mountain
C. a volcanic mountain
D. none of the above
Diagram above
21. In the diagram above,
which type of boundary is
occurring at A ?
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A. a convergent boundary
B. a strike-slip boundary
C. a transform boundary
D. a divergent boundary
Diagram above
22. What type of mountains led
early explorers to call the rim
of the Pacific Ocean the Ring
of Fire?
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A. volcanic
B. fault-block
C. folded
D. normal
23. Continental mountain ranges
are usually associated with
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A. transform boundaries
B. divergent boundaries
C. convergent boundaries
D. normal boundaries
24. The type of mountain
involving huge sections of the
Earth’s crust being pushed up
into anticlines and synclines
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A. volcanic mountain
B. folded mountain
C. strike-slip mountain
D. fault-block mountain
25. Magma that reaches the
Earth’s surface may form ___
mountains.
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A. subducted
B. fault-block
C. all
D. volcanic
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