Question 1

A U-shaped valley (in cross section) is characteristic of glacial erosion.

Accepted Answer

A) True 
 B)False  True

Question 2

____ are landscape features that indicate a mountainous area has been glaciated.

Accepted Answer

A)   Cirques, horns, and arêtes
B)   Drumlins, eskers, and kames
C)   Horns, drumlins, and tillite
D)   Crevasses, cirques, and kames
E)   Erratics, moraines, and kettlesF) B) and D)
G) C) and E) A

Question 3

A(n)  ____ is a long sinuous ridge of water-deposited cross-bedded and well-sorted sediment deposited by a stream that flowed within or under a glacier.

Accepted Answer

A)   tarn
B)   moraine
C)   drumlin
D)   esker
E)   varveF) A) and B)
G) A) and D)

Question 4

The _____ is the end of a glacier.

Accepted Answer

A)   ablation limit
B)   snow line
C)   terminus
D)   zone of endingE) A) and B)
F) B) and C)

Question 5

A(n)  ______ is a steep-sided half-bowl shaped recess carved at the head of a mountain glacial valley.

Accepted Answer

A)   fiord
B)   hanging valley
C)   arête
D)   cirque
E)   roche mountonnéeF) A) and C)
G) A) and D)

Question 6

A(n)  _____ is the sharp peak that remains after cirques have cut back into a mountain on several sides.

Accepted Answer

A)   arête
B)   horn
C)   inselberg
D)   cirque
E)   tarnF) A) and D)
G) A) and B)

Question 7

Glaciers with a positive budget are advancing glaciers.

Accepted Answer

A) True 
 B)False

Question 8

___ moraines are elongate low mounds of till that form along the sides of valley glaciers.

Accepted Answer

A)   Lateral
B)   Proximal
C)   Distal
D)   Medial
E)   TerminalF) B) and C)
G) B) and D) A

Question 9

The theory of _____ states that at times in the past, colder climates prevailed during which much more of the land surface was glaciated than at present time.

Accepted Answer

A)   ice accumulation
B)   glacial ages
C)   climate change
D)   Milankovitch
E)   VostockF) C) and E)
G) C) and D)

Question 10

Tillite is lithified till.

Accepted Answer

A) True 
 B)False

Question 11

A(n)  ___ is a lake occupying a bedrock depression excavated by a glacier.

Accepted Answer

A)   kettle
B)   pothole
C)   blowout
D)   monadnock
E)   tarnF) A) and B)
G) None of the above

Question 12

___ are the product of past glaciations.

Accepted Answer

A)   The Ohio and Missouri Rivers
B)   The Appalachian Mountains
C)   The Great Lakes
D)   The Gulf of Mexico and Caribbean Sea
E)   The high plainsF) C) and D)
G) A) and B)

Question 13

An end moraine marks the final edge of a receding glacier just before the glacier melts away entirely.

Accepted Answer

A) True 
 B)False

Question 14

A(n)  _____ is a coastal inlet that is formed by a drowned glacial carved valley.

Accepted Answer

A)   nunatak
B)   fiord
C)   inselberg
D)   monadnock
E)   hanging valleyF) A) and B)
G) A) and C)

Question 15

Support is growing for the idea that a late Precambrian ice sheet was so extensive that the surface of the world ocean was frozen.

Accepted Answer

A) True 
 B)False

Question 16

Glaciers in temperate climates tend to move slower than those in colder regions.

Accepted Answer

A) True 
 B)False

Question 17

The grinding of rock against rock by a glacier produces a very fine sediment called ____.

Accepted Answer

A)   tillite
B)   till
C)   rock flour
D)   rock dust
E)   glacier mistF) A) and C)
G) C) and D)

Question 18

When an ice block that was buried in sediment finally melts a depression called a ___ forms.

Accepted Answer

A)   arête
B)   horn
C)   drumlin
D)   roche mountonnée
E)   kettleF) B) and C)
G) None of the above

Question 19

If a moving glacier reaches a body of water ______ float free.

Accepted Answer

A)   crystals
B)   icebergs
C)   calves
D)   infants
E)   end morainesF) C) and D)
G) All of the above

Question 20

Above the rigid zone, glacial ice movement is due to __.

Accepted Answer

A)   sliding along faults in the ice
B)   passive riding of the ice on the glacier
C)   sliding along the base of the glacier
D)   opening of cracks or crevasses
E)   meltingF) A) and C)
G) A) and B)

Exam 12: Glaciers and Glaciation

A U-shaped valley (in cross section) is characteristic of glacial erosion.

Correct AnswerverifiedTrue

____ are landscape features that indicate a mountainous area has been glaciated.

Correct AnswerverifiedA

A(n) ____ is a long sinuous ridge of water-deposited cross-bedded and well-sorted sediment deposited by a stream that flowed within or under a glacier.

Correct AnswerverifiedShow Answer

The _____ is the end of a glacier.

Correct AnswerverifiedShow Answer

A(n) ______ is a steep-sided half-bowl shaped recess carved at the head of a mountain glacial valley.

Correct AnswerverifiedShow Answer

A(n) _____ is the sharp peak that remains after cirques have cut back into a mountain on several sides.

Correct AnswerverifiedShow Answer

Glaciers with a positive budget are advancing glaciers.

Correct AnswerverifiedShow Answer

___ moraines are elongate low mounds of till that form along the sides of valley glaciers.

Correct AnswerverifiedA

The theory of _____ states that at times in the past, colder climates prevailed during which much more of the land surface was glaciated than at present time.

Correct AnswerverifiedShow Answer

Tillite is lithified till.

Correct AnswerverifiedShow Answer

A(n) ___ is a lake occupying a bedrock depression excavated by a glacier.

Correct AnswerverifiedShow Answer

___ are the product of past glaciations.

Correct AnswerverifiedShow Answer

An end moraine marks the final edge of a receding glacier just before the glacier melts away entirely.

Correct AnswerverifiedShow Answer

A(n) _____ is a coastal inlet that is formed by a drowned glacial carved valley.

Correct AnswerverifiedShow Answer

Support is growing for the idea that a late Precambrian ice sheet was so extensive that the surface of the world ocean was frozen.

Correct AnswerverifiedShow Answer

Glaciers in temperate climates tend to move slower than those in colder regions.

Correct AnswerverifiedShow Answer

The grinding of rock against rock by a glacier produces a very fine sediment called ____.

Correct AnswerverifiedShow Answer

When an ice block that was buried in sediment finally melts a depression called a ___ forms.

Correct AnswerverifiedShow Answer

If a moving glacier reaches a body of water ______ float free.

Correct AnswerverifiedShow Answer

Above the rigid zone, glacial ice movement is due to __.

Correct AnswerverifiedShow Answer

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A

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