Question 1

The apparent movement of the magnetic poles through geologic time is called _____.

Accepted Answer

A)   mantle plume motion
B)   polar drift
C)   sea-floor spreading
D)   continental drift
E)   polar wanderingF) All of the above
G) A) and E)

Question 2

Sea-floor spreading implies that sea-floor rocks should be ______________.

Accepted Answer

A)   the same age throughout
B)   youngest on the crest of mid-ocean ridges
C)   younger as water become colder
D)   younger toward the trench
E)   youngest on the continental shelfF) B) and C)
G) B) and E)

Question 3

In this hypothesis the two sides of the mid-oceanic ridge are moving in opposite directions like slow conveyor belts.

Accepted Answer

A)   plate tectonics
B)   sea floor spreading
C)   continental drift
D)   continental collisions
E)   plate spreadingF) A) and D)
G) All of the above

Question 4

Young mountain belts with their associated igneous intrusions, metamorphism, and fold-thrust belts form at _______.

Accepted Answer

A)   divergent boundaries
B)   continental rifts
C)   transform fault boundaries
D)   convergent boundaries
E)   hot spotsF) None of the above
G) B) and C)

Question 5

The San Andreas Fault is a transform fault.

Accepted Answer

A) True 
 B)False

Question 6

Wegener reassembled the continents to form the super continent _____.

Accepted Answer

A)   Asia
B)   Pangea
C)   Laurasia
D)   Gondwanaland
E)   MadagascarF) None of the above
G) A) and E)

Question 7

During extension in divergent plate boundaries a rift valley forms as a central ____.

Accepted Answer

A)   horst
B)   strike-slip fault
C)   graben
D)   mountain range
E)   subduction zoneF) A) and B)
G) B) and E)

Question 8

The Rift Valley in East Africa is an example of a _____.

Accepted Answer

A)   diverging plate boundary
B)   converging plate boundary
C)   transform plate boundary
D)   back arc spreading center
E)   continental riseF) B) and D)
G) C) and D)

Question 9

Alternating positive and negative polarity magnetic anomalies in the crust form a stripe-like pattern parallel to _____.

Accepted Answer

A)   lines of longitude
B)   the equator
C)   continental margins
D)   aseismic ridges
E)   mid-oceanic ridgesF) A) and E)
G) None of the above

Question 10

Young mountain belts, with their associated igneous intrusions, metamorphism, and fold-thrust belts, form at convergent boundaries.

Accepted Answer

A) True 
 B)False

Question 11

An island arc is a string of volcanoes parallel to the oceanic trench

Accepted Answer

A) True 
 B)False

Question 12

One possible mechanism for plate tectonic drive is ____.

Accepted Answer

A)   meteor impacts
B)   earthquake energy
C)   slab pull
D)   gravity sliding
E)   Benioff driveF) None of the above
G) B) and E)

Question 13

Wegener reassembled the modern continents to form the giant super continent of Gondwanaland.

Accepted Answer

A) True 
 B)False

Question 14

In the early 1900s the German meteorologist _____ made a strong case for continental drift.

Accepted Answer

A)   Charles Plummer
B)   George Bush
C)   Ben Franklin
D)   Alfred Wegener
E)   Diane CarlsonF) A) and D)
G) D) and E)

Question 15

Magma that is created by ocean-continent convergence forms either island arcs or belts of igneous activity on the edges of continents.

Accepted Answer

A) True 
 B)False

Question 16

Wegener's theory of continental drift proposed that the continents plowed through oceanic crust.

Accepted Answer

A) True 
 B)False

Question 17

____ volcanoes can be found along subducting plate boundaries.

Accepted Answer

A)   Shield
B)   Cinder cone
C)   Andesitic
D)   Basaltic
E)   PegmatiticF) A) and E)
G) A) and D)

Question 18

One kind of convergent plate boundary is ____.

Accepted Answer

A)   rift valley convergence
B)   continent-continent convergence
C)   transform convergence
D)   subduction zone convergenceE) B) and C)
F) A) and D)

Question 19

Plumes form ______ that are related to areas of active volcanism such as Iceland, Yellowstone and Hawaii.

Accepted Answer

A)   converging plate boundaries
B)   trenches
C)   aseismic ridges
D)   failed rifts
E)   hot spotsF) C) and E)
G) A) and D)

Question 20

Pangea initially separated into two parts, a northern supercontinent, and a southern supercontinent.

Accepted Answer

A) True 
 B)False

Exam 19: Plate Tectonics

The Rift Valley in East Africa is an example of a _____.

Correct AnswerverifiedShow Answer

One kind of convergent plate boundary is ____.

Correct AnswerverifiedShow Answer

Alternating positive and negative polarity magnetic anomalies in the crust form a stripe-like pattern parallel to _____.

Correct AnswerverifiedShow Answer

The apparent movement of the magnetic poles through geologic time is called _____.

Correct AnswerverifiedShow Answer

Young mountain belts with their associated igneous intrusions, metamorphism, and fold-thrust belts form at _______.

Correct AnswerverifiedShow Answer

Magma that is created by ocean-continent convergence forms either island arcs or belts of igneous activity on the edges of continents.

Correct AnswerverifiedShow Answer

Plumes form ______ that are related to areas of active volcanism such as Iceland, Yellowstone and Hawaii.

Correct AnswerverifiedShow Answer

During extension in divergent plate boundaries a rift valley forms as a central ____.

Correct AnswerverifiedShow Answer

The San Andreas Fault is a transform fault.

Correct AnswerverifiedShow Answer

Sea-floor spreading implies that sea-floor rocks should be ______________.

Correct AnswerverifiedShow Answer

An island arc is a string of volcanoes parallel to the oceanic trench

Correct AnswerverifiedShow Answer

Wegener's theory of continental drift proposed that the continents plowed through oceanic crust.

Correct AnswerverifiedShow Answer

____ volcanoes can be found along subducting plate boundaries.

Correct AnswerverifiedShow Answer

One possible mechanism for plate tectonic drive is ____.

Correct AnswerverifiedShow Answer

In this hypothesis the two sides of the mid-oceanic ridge are moving in opposite directions like slow conveyor belts.

Correct AnswerverifiedShow Answer

Wegener reassembled the modern continents to form the giant super continent of Gondwanaland.

Correct AnswerverifiedShow Answer

Young mountain belts, with their associated igneous intrusions, metamorphism, and fold-thrust belts, form at convergent boundaries.

Correct AnswerverifiedShow Answer

In the early 1900s the German meteorologist _____ made a strong case for continental drift.

Correct AnswerverifiedShow Answer

Pangea initially separated into two parts, a northern supercontinent, and a southern supercontinent.

Correct AnswerverifiedShow Answer

Wegener reassembled the continents to form the super continent _____.

Correct AnswerverifiedShow Answer

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