Question 1

At the present,glaciers cover about ________ of the surface of the continents.

Accepted Answer

A)   1 percent
B)   5 percent
C)   10 percent
D)   20 percentE) A) and B)
F) A) and C)

Question 2

Explain why the deposits made by glacial outwash are stratified.

Accepted Answer

Deposits from outwash plains are stratif...

Question 3

Which of the following types of glaciers is most likely to carve features such as horns,cirques,and aretes?

Accepted Answer

A)   a continental glacier
B)   a piedmont glaciers
C)   a mountain glacier
D)   an ice capE) C) and D)
F) B) and D)

Question 4

You and some friends are going on a road trip and one of your goals is to see a glacier.Where could you go in the continental United States to do this? What type of glacier will you most likely be visiting?

Accepted Answer

Student answers will vary,but should be ...

Question 5

Sediments deposited directly by glaciers as they melt are characterized by ________.

Accepted Answer

A)   uniformly coarse grain size
B)   uniformly fine grain size
C)   an absence of sorting
D)   graded beddingE) C) and D)
F) B) and D)

Question 6

Cirques and horns are features associated with ________.

Accepted Answer

A)   mountain glaciation
B)   continental glaciation
C)   glacial outwash deposits
D)   loess depositsE) A) and C)
F) None of the above

Question 7

A hanging valley is formed when a ________.

Accepted Answer

A)   smaller glacially carved valley intersects with a larger glacially carved valley
B)   smaller stream-cut valley intersects with a larger stream-cut valley
C)   smaller stream-cut valley intersects with a larger glacially carved valley
D)   stream-cut valley is on the upthrust side of a normal faultE) A) and D)
F) None of the above

Question 8

Describe what you would expect to see in a deposit of glacial till deposit.Why?

Accepted Answer

A glacial till deposit would c...

Question 9

Underneath their thick ice sheets,the land surfaces of Greenland and Antarctica are

Accepted Answer

A)   made of tall mountains now capped by glacial ice.
B)   in large areas mostly below sea level.
C)   a flat plain much like the interior of North America.
D)   a deep ocean abyssal plain.E) B) and D)
F) B) and C)

Question 10

Large cracks in the surface of glaciers that extend down to the depth where the ice can behave plastically are called

Accepted Answer

A)   fractures.
B)   faults.
C)   crevasses.
D)   moraines.E) C) and D)
F) None of the above

Question 11

What kind of information do glacial striations reveal about past glaciers?

Accepted Answer

A)   the temperature of the ice
B)   the direction the glacier was moving
C)   when the glacier was there
D)   how fast the glacier was movingE) A) and D)
F) A) and C)

Question 12

Stratified sorted sand and gravel are deposited by ________.

Accepted Answer

A)   mountain glaciers
B)   continental glaciers
C)   glacial outwash streams
D)   windstormsE) B) and C)
F) C) and D)

Question 13

Wind blows finer particles long distances from glacial environments,where they settle out to form ________.

Accepted Answer

A)   firn
B)   loess
C)   outwash
D)   tillE) None of the above
F) A) and C)

Question 14

Which of the following best describes the direction that glaciers and ice sheets can flow?

Accepted Answer

A)   from areas of high snowfall to areas of low snowfall
B)   in the direction pointing toward the coldest air temperature
C)   in the direction that is downhill for the land surface under the ice
D)   in the direction that its surface slopesE) A) and B)
F) C) and D)

Question 15

In the figure below,which letter corresponds to an esker?

Accepted Answer

A)   E
B)   C
C)   A
D)   FE) A) and D)
F) All of the above

Question 16

During the Pleistocene Ice Age,all the climate belts of the northern hemisphere shifted to the __________.

Accepted Answer

A)   north
B)   south
C)   east
D)   westE) A) and C)
F) None of the above

Question 17

What type of glacier is seen in the foreground of the following picture?

Accepted Answer

A)   a continental glacier
B)   a cirque glacier
C)   a piedmont glacier
D)   an alpine glacierE) C) and D)
F) None of the above

Question 18

Glacial ice exhibits ________ behavior near the top but ________ behavior at a depth of more than 60 m.

Accepted Answer

A)   brittle; plastic
B)   plastic; brittle
C)   solid; elastic
D)   plastic; elasticE) A) and D)
F) A) and C)

Question 19

Contrast a glacially carved valley with one carved by a river.

Accepted Answer

If you look down the length of a glacial...

Question 20

Cape Cod and Long Island are large examples of what type of features left behind on landscapes after retreat of glaciers?

Accepted Answer

A)   medial moraines
B)   terminal moraines
C)   drumlins
D)   erraticsE) B) and C)
F) All of the above

Exam 18: Amazing Ice: Glaciers and Ice Ages

Cirques and horns are features associated with ________.

Correct AnswerverifiedShow Answer

A hanging valley is formed when a ________.

Correct AnswerverifiedShow Answer

Wind blows finer particles long distances from glacial environments,where they settle out to form ________.

Correct AnswerverifiedShow Answer

In the figure below,which letter corresponds to an esker?

Correct AnswerverifiedShow Answer

Glacial ice exhibits ________ behavior near the top but ________ behavior at a depth of more than 60 m.

Correct AnswerverifiedShow Answer

What kind of information do glacial striations reveal about past glaciers?

Correct AnswerverifiedShow Answer

Cape Cod and Long Island are large examples of what type of features left behind on landscapes after retreat of glaciers?

Correct AnswerverifiedShow Answer

Contrast a glacially carved valley with one carved by a river.

Correct AnswerverifiedIf you look down the length of a glacial...View AnswerShow Answer

You and some friends are going on a road trip and one of your goals is to see a glacier.Where could you go in the continental United States to do this? What type of glacier will you most likely be visiting?

Correct AnswerverifiedStudent answers will vary,but should be ...View AnswerShow Answer

Explain why the deposits made by glacial outwash are stratified.

Correct AnswerverifiedDeposits from outwash plains are stratif...View AnswerShow Answer

Which of the following best describes the direction that glaciers and ice sheets can flow?

Correct AnswerverifiedShow Answer

Stratified sorted sand and gravel are deposited by ________.

Correct AnswerverifiedShow Answer

Sediments deposited directly by glaciers as they melt are characterized by ________.

Correct AnswerverifiedShow Answer

During the Pleistocene Ice Age,all the climate belts of the northern hemisphere shifted to the __________.

Correct AnswerverifiedShow Answer

What type of glacier is seen in the foreground of the following picture?

Correct AnswerverifiedShow Answer

Describe what you would expect to see in a deposit of glacial till deposit.Why?

Correct AnswerverifiedA glacial till deposit would c...View AnswerShow Answer

Which of the following types of glaciers is most likely to carve features such as horns,cirques,and aretes?

Correct AnswerverifiedShow Answer

Large cracks in the surface of glaciers that extend down to the depth where the ice can behave plastically are called

Correct AnswerverifiedShow Answer

At the present,glaciers cover about ________ of the surface of the continents.

Correct AnswerverifiedShow Answer

Underneath their thick ice sheets,the land surfaces of Greenland and Antarctica are

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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Glacial ice exhibits behavior near the top but behavior at a depth of more than 60 m.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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If you look down the length of a glacial...
View Answer

Correct Answer
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Student answers will vary,but should be ...
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Correct Answer
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Deposits from outwash plains are stratif...
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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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A glacial till deposit would c...
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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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