Question 1

Which of the following represents a form of glacial erosion?

Accepted Answer

A)  ablation.
B)  abrasion.
C)  pressure release jointing.
D)  hydrolysis.
E)  crystallization.F) A) and C)
G) B) and D)

Question 2

Continuous ice sheets,ice caps,and ice fields are drained on their periphery by

Accepted Answer

A)  piedmont glaciers.
B)  mountain glaciers.
C)  outlet glaciers.
D)  valley glaciers.
E)  cirque glaciers.F) B) and E)
G) A) and D)

Question 3

Till plains refer to

Accepted Answer

A)  the flat bottomland located in U-shaped glaciated valleys.
B)  sorted and stratified fluvial deposits.
C)  unsorted coarse deposits characterized by low,rolling relief.
D)  glacial deposits that have been actively farmed by humans.
E)  plains of sorted material laid down by braided streams.F) A) and E)
G) B) and E)

Question 4

Why,specifically,is glacial ice analogous to a metamorphic rock?

Accepted Answer

A)  it has a definite chemical composition.
B)  it has a crystalline structure.
C)  it forms as a result of recrystallization caused by pressure.
D)  it is solid.
E)  it is changed by deep freezing.F) All of the above
G) C) and D)

Question 5

Which of the following would be found in an alpine glacial valley?

Accepted Answer

A)  paternoster lakes
B)  kames
C)  kettle lakes
D)  esker
E)  drumlinsF) B) and C)
G) B) and E)

Question 6

Drumlins are formed in ________,and their tapered ends point ________.

Accepted Answer

A)  outwash plains upstream
B)  outwash plains downstream
C)  till plains upstream
D)  till plains downstreamE) A) and D)
F) All of the above

Question 7

Glacial ice is

Accepted Answer

A)  essentially the same as snow.
B)  formed after a slow transformation process that may take a thousand years in Antarctica.
C)  made of metamorphic rock.
D)  generally less dense than snow and firn.
E)  filled with air bubbles.F) C) and D)
G) A) and B)

Question 8

Write an essay on the important aspects of periglacial landscapes.

Accepted Answer

Periglacial landscapes are areas that ar...

Question 9

Sorted glacial drift characteristic of stream-deposited material is called

Accepted Answer

A)  till.
B)  erratic.
C)  moraine.
D)  stratified drift.
E)  till plain.F) B) and C)
G) A) and E)

Question 10

The thickness of the active layer increases toward the poles.

Accepted Answer

A) True 
 B)False

Question 11

A winding hill of sorted sand and gravel deposits is known as a(n) ________ and is deposited by a(n) ________ glacier.

Accepted Answer

A)  drumlin continental
B)  drumlin alpine
C)  esker alpine
D)  esker continental
E)  medial moraine alpineF) None of the above
G) C) and D)

Question 12

Alpine glaciers include

Accepted Answer

A)  ice caps,ice sheets and cirque glaciers.
B)  valley glaciers and cirque glaciers
C)  cirque glaciers and ice fields.
D)  valley glaciers and ice sheets.
E)  cirque glaciers and ice caps.F) B) and C)
G) B) and D)

Question 13

Which of the following is true of valley glaciers?

Accepted Answer

A)  the snowfield sources for these glaciers are usually found right at the snowline.
B)  they occur in an unconfined environment-like an open plain.
C)  they may range in length from 100 m to 100 km.
D)  they remain stationary and do not move.
E)  they are known for eroding the least amount of all glaciers.F) A) and B)
G) A) and C)

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

The presence of stratified,or sorted,glacial sediment indicates that

Accepted Answer

A)  it was deposited in terminal moraines by continental glaciers.
B)  it was deposited by glacial meltwater.
C)  it was deposited as till by a continental glacier.
D)  it was deposited as a medial moraine.
E)  it was carried on top of the glacier.F) A) and D)
G) A) and C)

Question 16

Glacial ice forms more quickly in polar environments than in midlatitude,alpine environments.

Accepted Answer

A) True 
 B)False

Question 17

Because the upper regions of a glacier flow ________ than the base of the glacier,the upper part of the glacier tends to be ________.

Accepted Answer

A)  faster compressed
B)  faster stretched
C)  slower compressed
D)  slower stretchedE) B) and C)
F) A) and B)

Question 18

During the Pleistocene up to 11% of Earth was covered with ice.

Accepted Answer

A) True 
 B)False

Question 19

Antarctica is colder than the Arctic because

Accepted Answer

A)  elevation and continentality.
B)  it is covered in ice.
C)  Antarctica is older.
D)  vegetation cover in the Arctic helps to hold in heat.
E)  Antarctica is isolated from the rest of the world.F) A) and D)
G) C) and D)

Question 20

A glacier that is confined in a bowl-shaped recess is called a

Accepted Answer

A)  piedmont glacier.
B)  mountain glacier.
C)  cirque glacier.
D)  valley glacier.
E)  paternoster glacier.F) C) and D)
G) None of the above

Exam 17: Glacial and Periglacial Processes and Landforms

Which of the following would be found in an alpine glacial valley?

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Because the upper regions of a glacier flow ________ than the base of the glacier,the upper part of the glacier tends to be ________.

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Which of the following is true of valley glaciers?

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The thickness of the active layer increases toward the poles.

Correct AnswerverifiedShow Answer

Alpine glaciers include

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During the Pleistocene up to 11% of Earth was covered with ice.

Correct AnswerverifiedShow Answer

The presence of stratified,or sorted,glacial sediment indicates that

Correct AnswerverifiedShow Answer

Antarctica is colder than the Arctic because

Correct AnswerverifiedShow Answer

Glacial ice forms more quickly in polar environments than in midlatitude,alpine environments.

Correct AnswerverifiedShow Answer

Sorted glacial drift characteristic of stream-deposited material is called

Correct AnswerverifiedShow Answer

Glacial ice is

Correct AnswerverifiedShow Answer

Drumlins are formed in ________,and their tapered ends point ________.

Correct AnswerverifiedShow Answer

A winding hill of sorted sand and gravel deposits is known as a(n) ________ and is deposited by a(n) ________ glacier.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following represents a form of glacial erosion?

Correct AnswerverifiedShow Answer

Till plains refer to

Correct AnswerverifiedShow Answer

Continuous ice sheets,ice caps,and ice fields are drained on their periphery by

Correct AnswerverifiedShow Answer

Why,specifically,is glacial ice analogous to a metamorphic rock?

Correct AnswerverifiedShow Answer

Write an essay on the important aspects of periglacial landscapes.

Correct AnswerAnswered by ExamLex AIPeriglacial landscapes are areas that ar...View AnswerShow Answer

A glacier that is confined in a bowl-shaped recess is called a

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Because the upper regions of a glacier flow than the base of the glacier,the upper part of the glacier tends to be .

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Drumlins are formed in ,and their tapered ends point .

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A winding hill of sorted sand and gravel deposits is known as a(n) and is deposited by a(n) glacier.

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Periglacial landscapes are areas that ar...
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