Question 1

The Himalayan Mountains are the tectonic product of a collision between India and Eurasia that began in Eocene time and still continues.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

Accepted Answer

A)   gravitational attractive forces of the Sun and Moon
B)   electrical and magnetic fields localized in the inner core
C)   export of heat from deep in the mantle to the top of the asthenosphere
D)   swirling movements of the molten iron particles in the outer coreE) A) and B)
F) C) and D)

Question 3

Earth's radius and surface area are slowly increasing to accommodate the new oceanic crust being formed at mid-ocean ridges.

Accepted Answer

A) True 
 B)False

Question 4

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   fossil evidence 
B)   fit of the continents 
C)   paleomagnetism 
D)   paleoclimatesE) A) and B)
F) None of the above

Question 5

All of the following are evidence supporting the theory of plate tectonics except for ________.

Accepted Answer

A)   changes in the Moon's orbit due to shifting plates
B)   ocean floor drilling
C)   hot spots
D)   paleomagnetismE) A) and B)
F) C) and D)

Question 6

Early results of the Deep Sea Drilling Project clearly justified the conclusion that ________.

Accepted Answer

A)   the oceans have not always contained most of Earth's water
B)   the ocean basins are relatively young; most ocean basin rocks and sediments are Cretaceous or younger in age
C)   Proterozoic rocks are found only as seamounts in the deepest parts of the ocean basins
D)   the youngest sediments were deposited directly on the oldest seafloor basaltsE) None of the above
F) A) and B)

Question 7

________, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.

Accepted Answer

The answer of ________, in the north Atlantic Ocean, is...

Question 8

Rifting and normal faulting are characteristic of a(n) ________ plate boundary.

Accepted Answer

The answer of Rifting and normal faulting are characteristic of...

Question 9

Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision.

Accepted Answer

A) True 
 B)False

Question 10

The ________ is an example of an active, continent-continent collision.

Accepted Answer

A)   Arabian Peninsula slamming into North Africa under the Red Sea
B)   westward movement of the South American plate over the Nazca plate
C)   northern movement of Baja California and a sliver of western California toward the Hawaiian Islands
D)   northward movement of India into EurasiaE) A) and D)
F) A) and C)

Question 11

Today, ________ is in about the same geographic position as during late Paleozoic time.

Accepted Answer

A)   India
B)   South America
C)   Australia
D)   AntarcticaE) B) and C)
F) A) and D)

Question 12

The rate of seafloor spreading is, on the average, about one meter per year.

Accepted Answer

A) True 
 B)False

Question 13

A typical rate of seafloor spreading in the Atlantic Ocean is ________.

Accepted Answer

A)   2 feet per year
B)   0.1 inches per year
C)   20 feet per year
D)   2 centimeters per yearE) A) and D)
F) All of the above

Question 14

What is the name of the chain of volcanic islands shown in the diagram below?

Accepted Answer

The answer of What is the name of the chain...

Question 15

________ was an ancient reptile that lived in South America and Africa during the late Paleozoic.

Accepted Answer

A)   Granopteris
B)   Monastarious
C)   Glossopteris
D)   MesosaurusE) B) and D)
F) B) and C)

Question 16

New oceanic crust and lithosphere are formed at ________.

Accepted Answer

A)   divergent boundaries by submarine eruptions and intrusions of rhyolitic magma
B)   convergent boundaries by submarine eruptions and intrusions of rhyolitic magma
C)   divergent boundaries by submarine eruptions and intrusions of basaltic magma
D)   convergent boundaries by submarine eruptions and intrusions of basaltic magmaE) A) and C)
F) A) and D)

Question 17

________ was never proposed as evidence supporting the existence of Pangaea.

Accepted Answer

A)   Geometrical fit between South America and Africa
B)   Islands of Precambrian rocks along the Mid-Atlantic Ridge
C)   Late Paleozoic glacial features
D)   Similar fossils on different continentsE) All of the above
F) None of the above

Question 18

The San Andreas fault in California is a good example of a(n) ________ plate boundary.

Accepted Answer

The answer of The San Andreas fault in California is...

Question 19

A transform plate boundary is characterized by ________.

Accepted Answer

A)   stratovolcanoes on the edge of a plate and shield volcanoes on the adjacent plate
B)   two converging oceanic plates meeting head-on and piling up into a mid-ocean ridge
C)   a divergent boundary where the continental plate changes to an oceanic plate
D)   a deep, vertical fault along which two plates slide past one another in opposite directionsE) B) and D)
F) B) and C)

Question 20

Matching. Match the plate boundary with the appropriate phrase.
-characterized by basaltic volcanism and seafloor spreading

Accepted Answer

A)  convergent
B)  transform
C)  divergentD) A) and C)
E) A) and B)

Exam 7: Plate Tectonics: a Scientific Theory Unfolds

A typical rate of seafloor spreading in the Atlantic Ocean is ________.

Correct AnswerverifiedShow Answer

The ________ is an example of an active, continent-continent collision.

Correct AnswerverifiedShow Answer

All of the following are evidence supporting the theory of plate tectonics except for ________.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

Correct AnswerverifiedShow Answer

Today, ________ is in about the same geographic position as during late Paleozoic time.

Correct AnswerverifiedShow Answer

A transform plate boundary is characterized by ________.

Correct AnswerverifiedShow Answer

The rate of seafloor spreading is, on the average, about one meter per year.

Correct AnswerverifiedShow Answer

Early results of the Deep Sea Drilling Project clearly justified the conclusion that ________.

Correct AnswerverifiedShow Answer

New oceanic crust and lithosphere are formed at ________.

Correct AnswerverifiedShow Answer

________ was an ancient reptile that lived in South America and Africa during the late Paleozoic.

Correct AnswerverifiedShow Answer

The San Andreas fault in California is a good example of a(n) ________ plate boundary.

Correct AnswerverifiedShow Answer

The Himalayan Mountains are the tectonic product of a collision between India and Eurasia that began in Eocene time and still continues.

Correct AnswerverifiedShow Answer

Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision.

Correct AnswerverifiedShow Answer

________ was never proposed as evidence supporting the existence of Pangaea.

Correct AnswerverifiedShow Answer

________, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.

Correct AnswerverifiedShow Answer

Earth's radius and surface area are slowly increasing to accommodate the new oceanic crust being formed at mid-ocean ridges.

Correct AnswerverifiedShow Answer

Matching. Match the plate boundary with the appropriate phrase. -characterized by basaltic volcanism and seafloor spreading

Correct AnswerverifiedShow Answer

What is the name of the chain of volcanic islands shown in the diagram below?

Correct AnswerverifiedShow Answer

Rifting and normal faulting are characteristic of a(n) ________ plate boundary.

Correct AnswerverifiedShow Answer

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