Question 1

The creation of many glacial lakes during the Pleistocene is labeled a(n)  ________ development.

Accepted Answer

A)   random
B)   insignificant
C)   aeolian
D)   pluvial
E)   fluvialF) D) and E)
G) B) and E)

Question 2

A(n)  ________ is an irregularly undulating surface of broad, low rises and shallow depressions. It is composed of unsorted materials deposited by an ice sheet.

Accepted Answer

A)   horn
B)   cirque
C)   escarpment
D)   till plain
E)   drumlinF) B) and C)
G) B) and E)

Question 3

Why can an glacier erode and carry rock even while it is retreating?

Accepted Answer

The retreat refers to the terminus of th...

Question 4

Which of the following does NOT have a major concentration of contemporary mountain glaciers?

Accepted Answer

A)   Cascade Mountains, Washington
B)   British Columbia, Canada
C)   Appalachian Mountains
D)   Central Asia
E)   New ZealandF) B) and E)
G) A) and D)

Question 5

Why does Antarctica have a few "dry valleys" not covered by ice?

Accepted Answer

Apparently they oriented towar...

Question 6

A glacier grows when the accumulation zone grows faster than the ablation zone.

Accepted Answer

A) True 
 B)False

Question 7

Which of the below correctly describes the ice in a mountain glacier?

Accepted Answer

A)   never stops moving downhill
B)   moves downhill only during times of high temperature
C)   moves downhill when snow accumulation exceeds ablation
D)   On the average, it moves downhill once every hundred years.
E)   never stops moving uphillF) A) and C)
G) C) and D)

Question 8

The long profile of a glaciated valley floor is ________.

Accepted Answer

A)   a smooth curve
B)   irregular
C)   logarithmic
D)   steep
E)   flatF) A) and B)
G) A) and E)

Question 9

Which of the following does NOT belong with the others?

Accepted Answer

A)   outlet glaciers
B)   cirque glaciers
C)   piedmont glaciers
D)   alpine glaciers
E)   valley glaciersF) All of the above
G) A) and B)

Question 10

Asia was not heavily glaciated in the Pleistocene because of ________.

Accepted Answer

A)   lack of adequate precipitation
B)   tropical latitudes
C)   warm ocean currents
D)   heavy vegetation cover
E)   high mountain rangesF) B) and D)
G) C) and E)

Question 11

Where is the Antarctic ice generally deepest?

Accepted Answer

A)   along the coastlines
B)   on top of the mountains
C)   on the ice shelves
D)   in West Antarctica
E)   at the South PoleF) B) and C)
G) A) and E)

Question 12

Provide a reason why some scientists believe the Pleistocene is over and a reason why other scientists believe we are now in an interglacial stage. Why hasn't this controversy been solved?

Accepted Answer

The recent "track record" in the last tw...

Question 13

So long as a mountain glacier exists, its ice must always travel in the downhill direction.

Accepted Answer

A) True 
 B)False

Question 14

Where can one find a glacier's equilibrium line?

Accepted Answer

A)   at the terminal moraine
B)   at its head
C)   near the cirque
D)   along the zone of basal slip
E)   between the accumulation and ablation zonesF) A) and B)
G) A) and C)

Question 15

________ tends to smooth the surface over which a glacier moves.

Accepted Answer

A)   Abrasion
B)   Plucking
C)   Ablation
D)   Quarrying
E)   CorrosionF) C) and D)
G) B) and D)

Question 16

Continental ice sheets smooth and round the terrain while mountain glaciations tend to ________.

Accepted Answer

A)   leave the terrain undisturbed
B)   polish the terrain
C)   steepen slopes and increase local relief
D)   have similar effects
E)   build mountains in the lower latitudesF) B) and C)
G) None of the above

Question 17

The most significant erosive work of glaciers is accomplished by ________.

Accepted Answer

A)   erratics
B)   plucking
C)   ablation
D)   firn
E)   abrasionF) A) and D)
G) B) and E)

Question 18

A(n)  ________ is created by a group of cirques eroding into a mountain peak.

Accepted Answer

A)   horn
B)   cyclopean step
C)   arete
D)   tarn
E)   truncated spursF) B) and E)
G) All of the above

Question 19

The Great Lakes of the U.S./Canadian border are classic examples of paternoster lakes.

Accepted Answer

A) True 
 B)False

Question 20

The Pleistocene Epoch ________.

Accepted Answer

A)   completely covered Earth's land surfaces
B)   completely covered Earth's water surfaces
C)   started about a billion years ago
D)   is associated with the Laurentide ice sheet
E)   may not yet have endedF) All of the above
G) A) and B)

Exam 19: Glacial Modification of Terrain

The long profile of a glaciated valley floor is ________.

Correct AnswerverifiedShow Answer

Where can one find a glacier's equilibrium line?

Correct AnswerverifiedShow Answer

The creation of many glacial lakes during the Pleistocene is labeled a(n) ________ development.

Correct AnswerverifiedShow Answer

________ tends to smooth the surface over which a glacier moves.

Correct AnswerverifiedShow Answer

The Pleistocene Epoch ________.

Correct AnswerverifiedShow Answer

Which of the following does NOT belong with the others?

Correct AnswerverifiedShow Answer

A(n) ________ is an irregularly undulating surface of broad, low rises and shallow depressions. It is composed of unsorted materials deposited by an ice sheet.

Correct AnswerverifiedShow Answer

Where is the Antarctic ice generally deepest?

Correct AnswerverifiedShow Answer

Which of the below correctly describes the ice in a mountain glacier?

Correct AnswerverifiedShow Answer

The Great Lakes of the U.S./Canadian border are classic examples of paternoster lakes.

Correct AnswerverifiedShow Answer

Continental ice sheets smooth and round the terrain while mountain glaciations tend to ________.

Correct AnswerverifiedShow Answer

The most significant erosive work of glaciers is accomplished by ________.

Correct AnswerverifiedShow Answer

So long as a mountain glacier exists, its ice must always travel in the downhill direction.

Correct AnswerverifiedShow Answer

A(n) ________ is created by a group of cirques eroding into a mountain peak.

Correct AnswerverifiedShow Answer

Provide a reason why some scientists believe the Pleistocene is over and a reason why other scientists believe we are now in an interglacial stage. Why hasn't this controversy been solved?

Correct AnswerverifiedThe recent "track record" in the last tw...View AnswerShow Answer

Which of the following does NOT have a major concentration of contemporary mountain glaciers?

Correct AnswerverifiedShow Answer

A glacier grows when the accumulation zone grows faster than the ablation zone.

Correct AnswerverifiedShow Answer

Why does Antarctica have a few "dry valleys" not covered by ice?

Correct AnswerverifiedApparently they oriented towar...View AnswerShow Answer

Asia was not heavily glaciated in the Pleistocene because of ________.

Correct AnswerverifiedShow Answer

Why can an glacier erode and carry rock even while it is retreating?

Correct AnswerverifiedThe retreat refers to the terminus of th...View AnswerShow Answer

Correct Answer
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The recent "track record" in the last tw...
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Correct Answer
verified

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Apparently they oriented towar...
View Answer

Correct Answer
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Correct Answer
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The retreat refers to the terminus of th...
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