Question 1

Glaciologists believe a glacial surge might be enhanced

Accepted Answer

A)   plastic flow following periods of unusually heavy snowfall
B)   basal slip due to increased slope of the glacier
C)   by rapid melting along the base of the ice
D)   A and B
E)   all of the above

Question 2

When were the present glacial landscapes mainly formed?

Accepted Answer

during the Pleistoce...

Question 3

___________ ___________ of a glacier is facilitated by the presence of___________, which reduces basal friction.

Accepted Answer

Basil slip...

Question 4

The vast expanse of the Pleistocene glaciers and the limited extent of valley glaciers show that continental glaciers and ice caps flow more rapidly than valley glaciers.

Accepted Answer

A) True 
 B)False

Question 5

Name four different types of moraines.

Accepted Answer

any four of the foll...

Question 6

Why is predicting glacial surges considered important?

Accepted Answer

Surges can endanger humans and...

Question 7

Which of the following deposits or depositional landforms might generally be found along the terminus of a valley glacier?

Accepted Answer

A)   u-shaped trough, terminal and recessional moraines, outwash
B)   terminal and recessional moraines, kettles, hanging valleys
C)   roche moutonnée, terminal and recessional moraines, outwash
D)   striations, eskers, outwash
E)   terminal and recessional moraines, outwash, till

Question 8

Short-term climatic events such as the Little Ice Age may result from

Accepted Answer

A)   a combination of one or more factors in the Milankovitch theory
B)   anomalous tectonic plate configurations
C)   variations in solar energy
D)   sun spot activity
E)   large volcanic eruptions

Question 9

What kind of glacial erosional landform is the Matterhorn in Switzerland?

Accepted Answer

The answer of What kind of glacial erosional landform is...

Question 10

Can glaciers occur in the equatorial latitudes? Explain your

Accepted Answer

Glaciers can occur even at equ...

Question 11

The difference between glacial till and outwash is the removal of the fine fraction by running water.

Accepted Answer

A) True 
 B)False

Question 12

What is the distinction between a proglacial lake and a pluvial lake, and how does each form?

Accepted Answer

A proglacial lake forms by mel...

Question 13

A glacier advances when ___________exceeds ___________.

Accepted Answer

accumulati...

Question 14

According to the Milankovitch theory, what appears to explain the twenty periodic warm-cold cycles of the Pleistocene?

Accepted Answer

a 100,000 year cycle...

Question 15

Glaciers exist at

Accepted Answer

A)   high latitudes and/or high altitudes
B)   high latitudes and/or low altitudes
C)   low latitudes and/or high altitudes
D)   low latitudes and/or low altitudes

Question 16

Where might you find some present examples of ice caps?

Accepted Answer

on Iceland and some ...

Question 17

How long ago did glacial conditions really begin, with cooling of Southern Hemisphere surface waters?

Accepted Answer

about 40 m...

Question 18

A glacier will begin to flow when the ice reaches a critical thickness of___________ meters.

Accepted Answer

The answer of A glacier will begin to flow when...

Question 19

The primary difference between valley glaciers and continental ice sheets is that

Accepted Answer

A)   the ice sheets do not flow
B)   the valley glaciers form at high altitudes while the ice sheets form at high latitudes
C)   the valley glaciers form in warm periods as well as cold periods
D)   the ice sheets initially develop at the poles and valley glaciers can develop in any mountain chain
E)   ice sheets are larger than valley glaciers

Question 20

Glaciers advance under which of the following set of conditions?

Accepted Answer

A)   accumulation equals wastage
B)   accumulation is less than wastage
C)   accumulation is greater than wastage
D)   none of the above

Exam 17: Glaciers and Glaciation

A glacier will begin to flow when the ice reaches a critical thickness of___________ meters.

Correct AnswerverifiedShow Answer

The primary difference between valley glaciers and continental ice sheets is that

Correct AnswerverifiedShow Answer

Which of the following deposits or depositional landforms might generally be found along the terminus of a valley glacier?

Correct AnswerverifiedShow Answer

Glaciers advance under which of the following set of conditions?

Correct AnswerverifiedShow Answer

The vast expanse of the Pleistocene glaciers and the limited extent of valley glaciers show that continental glaciers and ice caps flow more rapidly than valley glaciers.

Correct AnswerverifiedShow Answer

Why is predicting glacial surges considered important?

Correct AnswerverifiedSurges can endanger humans and...View AnswerShow Answer

___________ ___________ of a glacier is facilitated by the presence of___________, which reduces basal friction.

Correct AnswerverifiedBasil slip...View AnswerShow Answer

Can glaciers occur in the equatorial latitudes? Explain your

Correct AnswerverifiedGlaciers can occur even at equ...View AnswerShow Answer

Glaciers exist at

Correct AnswerverifiedShow Answer

The difference between glacial till and outwash is the removal of the fine fraction by running water.

Correct AnswerverifiedShow Answer

Where might you find some present examples of ice caps?

Correct Answerverifiedon Iceland and some ...View AnswerShow Answer

Glaciologists believe a glacial surge might be enhanced

Correct AnswerverifiedShow Answer

When were the present glacial landscapes mainly formed?

Correct Answerverifiedduring the Pleistoce...View AnswerShow Answer

What is the distinction between a proglacial lake and a pluvial lake, and how does each form?

Correct AnswerverifiedA proglacial lake forms by mel...View AnswerShow Answer

Short-term climatic events such as the Little Ice Age may result from

Correct AnswerverifiedShow Answer

Name four different types of moraines.

Correct Answerverifiedany four of the foll...View AnswerShow Answer

According to the Milankovitch theory, what appears to explain the twenty periodic warm-cold cycles of the Pleistocene?

Correct Answerverifieda 100,000 year cycle...View AnswerShow Answer

How long ago did glacial conditions really begin, with cooling of Southern Hemisphere surface waters?

Correct Answerverifiedabout 40 m...View AnswerShow Answer

A glacier advances when ___________exceeds ___________.

Correct Answerverifiedaccumulati...View AnswerShow Answer

What kind of glacial erosional landform is the Matterhorn in Switzerland?

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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Surges can endanger humans and...
View Answer

_____ _ of a glacier is facilitated by the presence of_______, which reduces basal friction.

Correct Answer
verified
Basil slip...
View Answer

Correct Answer
verified
Glaciers can occur even at equ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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on Iceland and some ...
View Answer

Correct Answer
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Correct Answer
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during the Pleistoce...
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Correct Answer
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A proglacial lake forms by mel...
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Correct Answer
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Correct Answer
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any four of the foll...
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Correct Answer
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a 100,000 year cycle...
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Correct Answer
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about 40 m...
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A glacier advances when _exceeds _.

Correct Answer
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accumulati...
View Answer

Correct Answer
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