Question 1

The break-up of Pangaea to form our modern-day continents started about how long ago?

Accepted Answer

A)  100 million years ago. 
B)  200 million years ago. 
C)  300 million years ago. 
D)  50 million years ago. 
A)  100 million years ago. 
B)  200 million years ago. 
C)  300 million years ago. 
D)  50 million years ago.

Question 2

Modern continental shorelines coincide exactly with the edges of the original oceanic rift.

Accepted Answer

A) True 
 B)False

Question 3

Large mountain ranges are characterized by significant negative gravity anomalies because of their deep, low-density roots.

Accepted Answer

A) True 
 B)False

Question 4

Earth's diameter is increasing significantly due to the generation of new ocean crust.

Accepted Answer

A) True 
 B)False

Question 5

What is the Benioff Zone?

Accepted Answer

A)  The contact zone where one slab of lithosphere subducts beneath another slab of lithosphere. 
B)  The contact zone where one slab of lithosphere diverges from another slab of lithosphere. 
C)  The contact zone where one slab of lithosphere moves adjacent to another slab of lithosphere. 
D)  The oceanic zone where hydrothermal vents exist. 
A)  The contact zone where one slab of lithosphere subducts beneath another slab of lithosphere. 
B)  The contact zone where one slab of lithosphere diverges from another slab of lithosphere. 
C)  The contact zone where one slab of lithosphere moves adjacent to another slab of lithosphere. 
D)  The oceanic zone where hydrothermal vents exist.

Question 6

Discuss the evidence to support plate tectonics. In your discussion, include what lead to Alfred Wegener's Continental Drift Hypothesis, and what additional evidence is used today to support plate tectonics.

Accepted Answer

The evidence supporting plate tectonics

Question 7

__________ is the preservation of Earth's magnetic field locked in minerals at the time of rock formation.

Accepted Answer

The answer of __________ is the preservation of Earth's magnetic...

Question 8

The lithosphere behaves as is it were __________ on the asthenosphere.

Accepted Answer

The answer of The lithosphere behaves as is it were...

Question 9

The volcanic mountain range of the Andes is defined as a

Accepted Answer

A)  Volcanic island arc. 
B)  Continental volcanic arc. 
C)  Himalaya-like mountain zone. 
D)  Mini-supercontinent. 
A)  Volcanic island arc. 
B)  Continental volcanic arc. 
C)  Himalaya-like mountain zone. 
D)  Mini-supercontinent.

Question 10

The principle mechanism by which heat is transferred from deep inside Earth to the base of the lithosphere is __________ .

Accepted Answer

The answer of The principle mechanism by which heat is...

Question 11

Along what type of plate boundary does sea-floor spreading occur?

Accepted Answer

A)  Convergent. 
B)  Divergent. 
C)  Transform. 
A)  Convergent. 
B)  Divergent. 
C)  Transform.

Question 12

If indeed there are reversals of the Earth's magnetic field, how can we prove this within the context of plate tectonics?

Accepted Answer

A)  The magnetic field reversals have led to subduction zones. 
B)  The magnetic field reversals have led to sea-floor spreading. 
C)  We see magnetic directional patterns in the magnetite of ocean-floor rocks symmetric to mid-ocean ridges. 
D)  The magnetic field reversals have led to the creation of mountains (like the Andes). 
A)  The magnetic field reversals have led to subduction zones. 
B)  The magnetic field reversals have led to sea-floor spreading. 
C)  We see magnetic directional patterns in the magnetite of ocean-floor rocks symmetric to mid-ocean ridges. 
D)  The magnetic field reversals have led to the creation of mountains (like the Andes).

Question 13

What type of plate boundary created the Himalaya Mountains?

Accepted Answer

A)  Transform. 
B)  Divergent. 
C)  Convergent. 
A)  Transform. 
B)  Divergent. 
C)  Convergent.

Question 14

The Continental Drift hypothesis was rejected by the scientific community primarily because Alfred Wegener did not

Accepted Answer

A)  Offer observational evidence to support continental drift. 
B)  Identify a mechanism that would lead to the movement of the continents. 
C)  Know much about geology. 
D)  All of the above. 
A)  Offer observational evidence to support continental drift. 
B)  Identify a mechanism that would lead to the movement of the continents. 
C)  Know much about geology. 
D)  All of the above.

The break-up of Pangaea to form our modern-day continents started about how long ago?

Modern continental shorelines coincide exactly with the edges of the original oceanic rift.

Large mountain ranges are characterized by significant negative gravity anomalies because of their deep, low-density roots.

Earth's diameter is increasing significantly due to the generation of new ocean crust.

What is the Benioff Zone?

Discuss the evidence to support plate tectonics. In your discussion, include what lead to Alfred Wegener's Continental Drift Hypothesis, and what additional evidence is used today to support plate tectonics.

__________ is the preservation of Earth's magnetic field locked in minerals at the time of rock formation.

The lithosphere behaves as is it were __________ on the asthenosphere.

The volcanic mountain range of the Andes is defined as a

The principle mechanism by which heat is transferred from deep inside Earth to the base of the lithosphere is __________ .

Along what type of plate boundary does sea-floor spreading occur?

If indeed there are reversals of the Earth's magnetic field, how can we prove this within the context of plate tectonics?

What type of plate boundary created the Himalaya Mountains?

The Continental Drift hypothesis was rejected by the scientific community primarily because Alfred Wegener did not

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Exam 5: The Tectonic Cycle

The break-up of Pangaea to form our modern-day continents started about how long ago?

Modern continental shorelines coincide exactly with the edges of the original oceanic rift.

Large mountain ranges are characterized by significant negative gravity anomalies because of their deep, low-density roots.

Earth's diameter is increasing significantly due to the generation of new ocean crust.

What is the Benioff Zone?

Discuss the evidence to support plate tectonics. In your discussion, include what lead to Alfred Wegener's Continental Drift Hypothesis, and what additional evidence is used today to support plate tectonics.

__________ is the preservation of Earth's magnetic field locked in minerals at the time of rock formation.

The lithosphere behaves as is it were __________ on the asthenosphere.

The volcanic mountain range of the Andes is defined as a

The principle mechanism by which heat is transferred from deep inside Earth to the base of the lithosphere is __________ .

Along what type of plate boundary does sea-floor spreading occur?

If indeed there are reversals of the Earth's magnetic field, how can we prove this within the context of plate tectonics?

What type of plate boundary created the Himalaya Mountains?

The Continental Drift hypothesis was rejected by the scientific community primarily because Alfred Wegener did not

The Earth System

Energy

Matter

Space and Time

Earthquakes and Volcanoes

The Rock Cycle

The Hydrologic Cycle

The Cryosphere

The World Ocean

The Atmosphere

Wind and Weather Systems

The Climate System

Life, Death and Evolution

Ecosystems, Biomes, and Cycles of Life

Populations, Communities, and Change

The Resource Cycle

Mineral and Energy Resources

The Changing Earth System

Filters