Question 1

Sea levels have naturally fluctuated through the vast epochs of geologic time.What is occurring now with regards to sea level?

Accepted Answer

A)  Sea level is absolutely falling
B)  Sea level is absolutely rising
C)  Sea level always remains stable
D)  Scientists are not sure
E)  Sea level varies by locationF) A) and B)
G) D) and E)

Question 2

There is evidence that the earth and the rest of the solar system formed about:

Accepted Answer

A)  5 million years ago.
B)  1 billion years ago.
C)  4.5 billion years ago.
D)  10.5 billion years ago.
E)  10 million years ago.F) C) and D)
G) None of the above

Question 3

One of the following is not one of the world's major ocean basins:

Accepted Answer

A)  Atlantic Ocean.
B)  Arctic Ocean.
C)  Indian Ocean.
D)  Antarctic Ocean.
E)  Pacific Ocean.F) A) and D)
G) C) and D)

Question 4

The earth's magnetic field is thought to be caused by movements of liquid metal in which of the earth's layers?

Accepted Answer

A)  Inner core.
B)  Outer core.
C)  Oceanic crust.
D)  Mantle.
E)  Continental crust.F) B) and E)
G) A) and D)

Question 5

Which of the following is not true of mid-ocean ridges?

Accepted Answer

A)  Earthquakes and volcanoes are associated with them
B)  The sediment covering gets thinner as one moves away from them towards the continents
C)  The rock on the sea floor is older as one moves away from them
D)  Sea floor spreading is associated with them
E)  All are interconnectedF) None of the above
G) C) and D)

Question 6

Lithogenous sediments are those that come from:

Accepted Answer

A)  Plants.
B)  Living organisms in general.
C)  Deep-water volcanoes.
D)  Erosion of land.
E)  Corals.F) A) and D)
G) A) and E)

Question 7

The east coast of the United States is a passive continental margin which is characterized by:

Accepted Answer

A)  Mountains along the coast.
B)  Steep and rocky shorelines.
C)  Narrow continental shelf.
D)  Offshore trench.
E)  Gentle continental slope.F) C) and D)
G) A) and D)

Question 8

The process by which a lithospheric plate descends into the mantle is called:

Accepted Answer

A)  Continental drift.
B)  Induction.
C)  Sea floor spreading.
D)  Subduction.
E)  Faulting.F) A) and B)
G) None of the above

Question 9

Which is not a type of lithospheric plate boundary?

Accepted Answer

A)  Shear boundary
B)  Continental shelf
C)  Trench
D)  Mid-ocean ridgeE) A) and D)
F) B) and C)

Question 10

Trenches are formed in areas where:

Accepted Answer

A)  A plate is lifted by another.
B)  A plate moves along side another in a transform motion.
C)  A plate splits and opens up.
D)  Sea floor spreading takes place.
E)  A plate sinks beneath another.F) C) and E)
G) A) and B)

Question 11

The steepest part of the continental margin where it descends down to the ocean floor is known as the:

Accepted Answer

A)  Shelf break.
B)  Continental slope.
C)  Continental rise.
D)  Edge of the abyssal plain.
E)  Continental edge.F) A) and B)
G) A) and C)

Question 12

The largest percentage of the world ocean is found in the:

Accepted Answer

A)  Northern hemisphere.
B)  Southern hemisphere.
C)  Eastern hemisphere.
D)  Western hemisphere.
E)  The ocean is evenly distributed.F) None of the above
G) B) and C)

Question 13

Oceanographers often use the name "Southern Ocean" to refer to the body of water:

Accepted Answer

A)  Around Antarctica.
B)  In the South Pacific.
C)  South of the North Sea.
D)  South of Florida.
E)  Around the southern tip of India.F) C) and D)
G) D) and E)

Exam 2: The Sea Floor

The earth's magnetic field is thought to be caused by movements of liquid metal in which of the earth's layers?

Correct Answer
verified

Lithogenous sediments are those that come from:

Correct Answer
verified

There is evidence that the earth and the rest of the solar system formed about:

Correct Answer
verified

The largest percentage of the world ocean is found in the:

Correct Answer
verified

Trenches are formed in areas where:

Correct Answer
verified

The process by which a lithospheric plate descends into the mantle is called:

Correct Answer
verified

The steepest part of the continental margin where it descends down to the ocean floor is known as the:

Correct Answer
verified

The east coast of the United States is a passive continental margin which is characterized by:

Correct Answer
verified

One of the following is not one of the world's major ocean basins:

Correct Answer
verified

Which is not a type of lithospheric plate boundary?

Correct Answer
verified

Oceanographers often use the name "Southern Ocean" to refer to the body of water:

Correct Answer
verified

Which of the following is not true of mid-ocean ridges?

Correct Answer
verified

Sea levels have naturally fluctuated through the vast epochs of geologic time.What is occurring now with regards to sea level?

Correct Answer
verified

Exam 2: The Sea Floor

The earth's magnetic field is thought to be caused by movements of liquid metal in which of the earth's layers?

Correct AnswerverifiedShow Answer

Lithogenous sediments are those that come from:

Correct AnswerverifiedShow Answer

There is evidence that the earth and the rest of the solar system formed about:

Correct AnswerverifiedShow Answer

The largest percentage of the world ocean is found in the:

Correct AnswerverifiedShow Answer

Trenches are formed in areas where:

Correct AnswerverifiedShow Answer

The process by which a lithospheric plate descends into the mantle is called:

Correct AnswerverifiedShow Answer

The steepest part of the continental margin where it descends down to the ocean floor is known as the:

Correct AnswerverifiedShow Answer

The east coast of the United States is a passive continental margin which is characterized by:

Correct AnswerverifiedShow Answer

One of the following is not one of the world's major ocean basins:

Correct AnswerverifiedShow Answer

Which is not a type of lithospheric plate boundary?

Correct AnswerverifiedShow Answer

Oceanographers often use the name "Southern Ocean" to refer to the body of water:

Correct AnswerverifiedShow Answer

Which of the following is not true of mid-ocean ridges?

Correct AnswerverifiedShow Answer

Sea levels have naturally fluctuated through the vast epochs of geologic time.What is occurring now with regards to sea level?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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