Question 1

The general term for all glacial deposits is

Accepted Answer

A)  alluvium.
B)  glacial drift.
C)  erg.
D)  talus.E) A) and D)
F) A) and C)

Question 2

An extensive,continuous mass of ice occurring on a continental scale is known as a(n)

Accepted Answer

A)  piedmont glacier.
B)  tidal glacier.
C)  tidewater glacier.
D)  ice sheet.E) None of the above
F) A) and C)

Question 3

The transformation of snow into glacial ice in Antarctica takes_________ than in midlatitude alpine glaciers because_________ .

Accepted Answer

A)  longer; the dryness of the Antarctic climate and minimal snowfall as compared to wetter climates with constant snowfall
B)  less time; there is more melting and refreezing in the midlatitudes and,therefore,it takes much longer there
C)  longer; the long summer days in Antarctica (up to 24-hours) results in more sunlight impeding the glacier development process
D)  less time; more snow fall in the polar regions each year slows the glacier formation processE) B) and D)
F) A) and D)

Question 4

All of the following are related to glacial erosion EXCEPT

Accepted Answer

A)  ablation.
B)  plucking.
C)  abrasion.
D)  erratics.E) B) and C)
F) A) and B)

Question 5

The Patagonia region of Chile and Argentina features a large,elongated glacier approximately 90 km (56 mi) wide and 360 km (224 mi) long.This is an example of a(n)

Accepted Answer

A)  ice cap.
B)  ice field.
C)  ice sheet.
D)  alpine glacier.E) All of the above
F) B) and C)

Question 6

Which of the following statements is INCORRECT?

Accepted Answer

A)  There are no permafrost regions in Alaska due to its maritime subarctic climate.
B)  Permafrost develops in areas where soil,sediment,or rock temperatures remain below 0°C (32°F) for at least two years.
C)  Periglacial environments occur at high latitudes and high elevations.
D)  Periglacial regions occupy over 20% of Earthʹs land surface.E) B) and C)
F) A) and D)

Question 7

Which of the following is NOT an example of a pluvial lake?

Accepted Answer

A)  Lake Lahontan
B)  Lake Bonneville
C)  Lake Russell
D)  Lake SuperiorE) A) and B)
F) None of the above

Question 8

Disappearance of Mount Kilimanjaroʹs glaciers have been attributed solely to climate change.

Accepted Answer

A) True 
 B)False

Question 9

The Great Lakes of North America were created by

Accepted Answer

A)  cirque glaciers.
B)  ice sheets that enlarged and deepened stream valleys to form the basins of the future lakes.
C)  the deposition of ice in till plains.
D)  isostatic subsidence of the crust.E) C) and D)
F) B) and D)

Question 10

Most glaciers are stationary,moving at no more than several millimeters per year.

Accepted Answer

A) True 
 B)False

Question 11

Sorted sediment deposited by glaciofluvial action are called

Accepted Answer

A)  stratified drift.
B)  glacial erratics.
C)  moraines.
D)  till.E) All of the above
F) A) and B)

Question 12

The Matterhorn in the Swiss Alps is an example of a nunatak.

Accepted Answer

A) True 
 B)False

Question 13

The type of glacier that dominates Greenland and Antarctica is an

Accepted Answer

A)  ice shelves.
B)  ice field.
C)  ice cap.
D)  ice sheet.E) A) and B)
F) None of the above

Question 14

List several distinct landforms created by alpine glaciers and ice sheets,describing the manner in which they formed.

Accepted Answer

Answers will vary.Some examples may incl...

Question 15

A glaciated valley is_________ shaped; a stream cut valley is _________shaped.

Accepted Answer

A)  U-; V-
B)  V-; U-
C)  U-; U-
D)  V-; V-E) A) and B)
F) A) and C)

Question 16

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Accepted Answer

A) True 
 B)False

Question 17

The 10°C (50°F) isotherm for July is used as the environmental criteria to define

Accepted Answer

A)  the Antarctic convergence
B)  the Antarctic region
C)  the extent of Pleistocene glaciation.
D)  the Arctic region.E) C) and D)
F) B) and C)

Question 18

Which of the following has been cited as a positive feedback loop involving the thawing of permafrost?

Accepted Answer

A)  Thawing of permafrost will increase albedo,leading to more warming.
B)  Thawing of permafrost will release vast amounts of carbon to the atmosphere,accelerating warming.
C)  Thawing of permafrost will inhibit frost wedging action on large boulders,altering absorption ability.
D)  Thawing of permafrost will contribute to sea level rise,which will further reduce overall global albedo values.E) None of the above
F) A) and B)

Question 19

Vertical and horizontal movement caused by the expansion of freezing water are called

Accepted Answer

A)  frost heaving and frost thrusting,respectively.
B)  frost thrusting and frost heaving,respectively.
C)  frost heaving.
D)  frost thrusting.E) A) and D)
F) B) and C)

Question 20

In which year did surface melt on the Greenland ice sheet reach its greatest extent?

Accepted Answer

A)  2002
B)  2006
C)  2012
D)  2013E) None of the above
F) A) and D)

Exam 14: Snow Into Ice--The Basis of Glaciers

Which of the following statements is INCORRECT?

Correct AnswerverifiedShow Answer

Which of the following is NOT an example of a pluvial lake?

Correct AnswerverifiedShow Answer

All of the following are related to glacial erosion EXCEPT

Correct AnswerverifiedShow Answer

The transformation of snow into glacial ice in Antarctica takes_________ than in midlatitude alpine glaciers because_________ .

Correct AnswerverifiedShow Answer

The 10°C (50°F) isotherm for July is used as the environmental criteria to define

Correct AnswerverifiedShow Answer

Which of the following has been cited as a positive feedback loop involving the thawing of permafrost?

Correct AnswerverifiedShow Answer

An extensive,continuous mass of ice occurring on a continental scale is known as a(n)

Correct AnswerverifiedShow Answer

The general term for all glacial deposits is

Correct AnswerverifiedShow Answer

The Matterhorn in the Swiss Alps is an example of a nunatak.

Correct AnswerverifiedShow Answer

The Patagonia region of Chile and Argentina features a large,elongated glacier approximately 90 km (56 mi) wide and 360 km (224 mi) long.This is an example of a(n)

Correct AnswerverifiedShow Answer

Sorted sediment deposited by glaciofluvial action are called

Correct AnswerverifiedShow Answer

The Great Lakes of North America were created by

Correct AnswerverifiedShow Answer

Vertical and horizontal movement caused by the expansion of freezing water are called

Correct AnswerverifiedShow Answer

A glaciated valley is_________ shaped; a stream cut valley is _________shaped.

Correct AnswerverifiedShow Answer

Most glaciers are stationary,moving at no more than several millimeters per year.

Correct AnswerverifiedShow Answer

Disappearance of Mount Kilimanjaroʹs glaciers have been attributed solely to climate change.

Correct AnswerverifiedShow Answer

List several distinct landforms created by alpine glaciers and ice sheets,describing the manner in which they formed.

Correct AnswerverifiedAnswers will vary.Some examples may incl...View AnswerShow Answer

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Correct AnswerverifiedShow Answer

The type of glacier that dominates Greenland and Antarctica is an

Correct AnswerverifiedShow Answer

In which year did surface melt on the Greenland ice sheet reach its greatest extent?

Correct AnswerverifiedShow Answer

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The transformation of snow into glacial ice in Antarctica takes_ than in midlatitude alpine glaciers because_ .

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A glaciated valley is_ shaped; a stream cut valley is _shaped.

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Answers will vary.Some examples may incl...
View Answer

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