Question 1

Where several valley glaciers have joined together, one result is ________.

Accepted Answer

A)   medial moraines
B)   paternoster lakes
C)   drumlins
D)   eskers
E)   aretes

Question 2

________ is composed of stratified (layered)  drift.

Accepted Answer

A)   A nunatak
B)   An esker
C)   A lateral moraine
D)   A valley train
E)   A drumlin

Question 3

Alaska seems to be alone in the world in terms of significant glacial shrinkage.

Accepted Answer

A) True 
 B)False

Question 4

The movement of a glacier is normally measured in ________ per day.

Accepted Answer

A)   centimeters
B)   meters
C)   tens of meters
D)   kilometers
E)   tens of kilometers

Question 5

The lower part of a glacier where there is a net annual loss of ice from melting and sublimation is the zone of ________.

Accepted Answer

A)   evaporation
B)   striation
C)   ablation
D)   till
E)   névé

Question 6

At its maximum extent, ice covered almost ________ of the Earth's land surface.

Accepted Answer

A)   1/3
B)   1/2
C)   3/4
D)   1/10
E)   4/5

Question 7

An esker is formed by stagnant meltwater in a glacial crevasse.

Accepted Answer

A) True 
 B)False

Question 8

It is estimated that ________ percent of all contemporary erosion is accomplished by glaciers.

Accepted Answer

A)   0
B)   7
C)   43
D)   76
E)   nearly 100

Question 9

Mountain streams running from a tributary valley to a main valley that has been glaciated frequently create ________.

Accepted Answer

A)   end moraines
B)   till
C)   waterfalls
D)   cirques
E)   kames

Question 10

Most sediment in glacial regions consists of glacial flour.

Accepted Answer

A) True 
 B)False

Question 11

The presence of multiple medial moraines indicates ________.

Accepted Answer

A)   several glaciers have joined
B)   ablation is greater than accumulation
C)   accumulation is greater than ablation
D)   glacial erosion is particularly weak
E)   the presence of a glacial surge

Question 12

Glacial runoff primarily occurs ________.

Accepted Answer

A)   as ice in the winter
B)   at night
C)   after heavy snows
D)   in the daytime
E)   in the zone of accumulation

Question 13

"Larsen A" and "Wilkins" are names associated with Antarctic ice.

Accepted Answer

A) True 
 B)False

Question 14

The valley train is the same thing as an outwash plain.

Accepted Answer

A) True 
 B)False

Question 15

The result of mountain glaciation is to ________ mountain topography.

Accepted Answer

A)   deepen
B)   steepen
C)   sharpen
D)   erode
E)   do all of the above

Question 16

Which of the following is FALSE?

Accepted Answer

A)   Most rock debris is found near the bottom of a glacier.
B)   Glacial flour comes out of the terminus of a glacier.
C)   Glacial debris is rarely larger than 1 meter across.
D)   A glacier moves its load downvalley at varying speeds depending upon conditions.
E)   The middle of a mountain glacier tends to move faster than the edges.

Question 17

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 answer of Provide a reason why some scientists believe...

Question 18

Long tongues of ice which surround the margin of continental ice sheets are called ________.

Accepted Answer

A)   periglacials
B)   nunataks
C)   névé
D)   outlet glaciers
E)   none of the above

Question 19

The slow melting of blocks of stagnant ice in the land surface is the cause of ________.

Accepted Answer

A)   cirques
B)   kettle holes
C)   eskers
D)   roche moutonnees
E)   ground moraines

Question 20

The Driftless Area is in ________.

Accepted Answer

A)   Montana
B)   California
C)   Texas
D)   Florida
E)   Wisconsin

Exam 19: Glacial Modification of Terrain

Where several valley glaciers have joined together, one result is ________.

Correct AnswerverifiedShow Answer

It is estimated that ________ percent of all contemporary erosion is accomplished by glaciers.

Correct AnswerverifiedShow Answer

The movement of a glacier is normally measured in ________ per day.

Correct AnswerverifiedShow Answer

An esker is formed by stagnant meltwater in a glacial crevasse.

Correct AnswerverifiedShow Answer

Most sediment in glacial regions consists of glacial flour.

Correct AnswerverifiedShow Answer

At its maximum extent, ice covered almost ________ of the Earth's land surface.

Correct AnswerverifiedShow Answer

The result of mountain glaciation is to ________ mountain topography.

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 AnswerverifiedShow Answer

Alaska seems to be alone in the world in terms of significant glacial shrinkage.

Correct AnswerverifiedShow Answer

________ is composed of stratified (layered) drift.

Correct AnswerverifiedShow Answer

The Driftless Area is in ________.

Correct AnswerverifiedShow Answer

"Larsen A" and "Wilkins" are names associated with Antarctic ice.

Correct AnswerverifiedShow Answer

The presence of multiple medial moraines indicates ________.

Correct AnswerverifiedShow Answer

The lower part of a glacier where there is a net annual loss of ice from melting and sublimation is the zone of ________.

Correct AnswerverifiedShow Answer

Which of the following is FALSE?

Correct AnswerverifiedShow Answer

Mountain streams running from a tributary valley to a main valley that has been glaciated frequently create ________.

Correct AnswerverifiedShow Answer

The valley train is the same thing as an outwash plain.

Correct AnswerverifiedShow Answer

Long tongues of ice which surround the margin of continental ice sheets are called ________.

Correct AnswerverifiedShow Answer

The slow melting of blocks of stagnant ice in the land surface is the cause of ________.

Correct AnswerverifiedShow Answer

Glacial runoff primarily occurs ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified