Site MapHelpFeedbackMultiple Choice
Multiple Choice
(See related pages)



1

Most of the earth's mass is contained in the
A)crust.
B)mantle.
C)outer core.
D)inner core.
2

The idea of a spreading sea floor along the Mid-Atlantic ridge is supported by
A)changes in the orientation of magnetized minerals.
B)changes in the thickness of the ocean sediments.
C)the amount of heat escaping from the rift along the ridge.
D)all of these support the sea-floor spreading hypothesis.
3

The north end of a compass needle actually points toward a
A)north geographic pole.
B)south geographic pole.
C)north magnetic pole.
D)south magnetic pole.
4

According to the plate tectonics theory, sea-floor spreading occurs at a
A)subduction zone.
B)convergent boundary.
C)divergent boundary.
D)transform boundary.
5

The San Andreas Fault is the site of a
A)subduction zone.
B)transform boundary.
C)rift zone.
D)convergence boundary.
6

The presence of an oceanic trench, a chain of volcanic mountains along the edge of a continent, and deep-seated earthquakes is characteristic of
A)ocean-ocean plate convergence.
B)ocean-continent plate convergence.
C)continent-continent plate convergence.
D)ocean-continent plate divergence.
7

According to the plate tectonics theory, new crustal material is created at
A)divergent plate boundaries.
B)ocean-continent plate convergence.
C)subduction zones.
D)ocean-ocean plate convergence.
8

The Himalayan Mountains were formed as a result of
A)ocean-continent plate divergence.
B)ocean-continent plate convergence.
C)continent-continent plate convergence.
D)the deformation that occurred along a transform boundary.
9

When an oceanic plate and continental plate converge
A)the continental plate is subducted beneath the oceanic plate.
B)the two plates buckle and uplift the crustal material.
C)the oceanic plate is subducted beneath the continental plate.
D)new crustal material is created at the boundary.
10

Japan is a group of arc islands associated with
A)the convergence of two oceanic plates.
B)the convergence of an oceanic and a continental plate.
C)the divergence of two oceanic plates.
D)none of these are true.





To learn more about the book this website supports, please visit its Information Center.
(c)2005 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Physical ScienceOnline Learning Center with Powerweb

Home > Chapter 18 > Multiple Choice Quiz