Question 1

The Great Salt Lake is a remnant of the once-larger ____ lake called Lake Bonneville.

Accepted Answer

A)   kettle
B)   pluvial
C)   cirque
D)   fjordE) A) and C)
F) All of the above

Question 2

A broad, gently-sloping surface that forms when outwash spreads onto a wide valley beyond a glacier is a(n) ____________________.

Accepted Answer

The answer of A broad, gently-sloping surface that forms when...

Question 3

During the maximum extent of Pleistocene glaciers around 18,000 years ago, global sea level was about ____ than present levels.

Accepted Answer

A)   130 meters lower
B)   120 meters lower
C)   20 meters higher
D)   10 meters higherE) None of the above
F) All of the above

Question 4

Alpine glaciers are found on every continent on Earth.

Accepted Answer

A) True 
 B)False

Question 5

Describe the growth of an alpine glacier.

Accepted Answer

The growth of an alp...

Question 6

A moraine that forms when a glacier is at its greatest advance is a ____.

Accepted Answer

A)   terminal moraine
B)   recessional moraine
C)   lateral moraine
D)   medial moraineE) B) and D)
F) All of the above

Question 7

What are horns and where are the most famous ones located?

Accepted Answer

If glaciers erode three or mor...

Question 8

Describe the rate of glacial movement, include the factors that influence the rate.

Accepted Answer

The rate of glacial ...

Question 9

____ is sediment that was first transported by a glacier and then transported and deposited by a stream.

Accepted Answer

A)   Bedrock
B)   Till
C)   Stratified drift
D)   LoessE) C) and D)
F) A) and D)

Question 10

A ____ is an elongate hill of sediment, usually occurring in clusters, that was deposited and eroded by a glacier.

Accepted Answer

A)   ground moraine
B)   drumlin
C)   kettle
D)   terminal moraineE) All of the above
F) A) and D)

Question 11

A glacier that covers an area of 50,000 square kilometers or more and spreads outward in all directions under its weight is a(n) ____________________.

Accepted Answer

ice sheet,...

Question 12

A ____ moraine forms when a glacier retreats steadily, depositing till in a relatively thin layer over a broad area.

Accepted Answer

A)   medial
B)   terminal
C)   recessional
D)   groundE) B) and D)
F) B) and C)

Question 13

The ____ is the boundary between the zone of accumulation and the zone of ablation.

Accepted Answer

A)   equilibrium altitude line
B)   terminus
C)   brittle zone
D)   medial moraineE) None of the above
F) B) and C)

Question 14

Rocks embedded in the base of a glacier scrape across underlying bedrock, gouging parallel grooves and scratches are called ____.

Accepted Answer

A)   crevasses
B)   erratics
C)   cirques
D)   striationsE) A) and D)
F) All of the above

Question 15

A small glacial valley lying high above the floor of the main valley is called a(n) ____________________.

Accepted Answer

The answer of A small glacial valley lying high above...

Question 16

Cycles identified by Milutin Milanković are caused by ____.

Accepted Answer

A)   changes in Earth's tides
B)   increased sunspot activity
C)   variations in Earth's orbit and spin axis
D)   increased volcanic activityE) C) and D)
F) All of the above

Question 17

Glaciers move by ____________________ when an entire ice mass slides over bedrock.

Accepted Answer

The answer of Glaciers move by ____________________ when an entire...

Question 18

Describe the two categories of drift.

Accepted Answer

Till was deposited directly by...

Question 19

Snow can form into rounded ice grains, called firn, if ____.

Accepted Answer

A)   it survives through one summer
B)   it survives through one winter
C)   it falls on basal ice
D)   at least 100 feet of snow accumulates on top of itE) A) and B)
F) B) and D)

Question 20

Glacial striations can be used to map the flow direction of glaciers.

Accepted Answer

A) True 
 B)False

Exam 13: Glaciers and Ice Ages

Glaciers move by ____________________ when an entire ice mass slides over bedrock.

Correct AnswerverifiedShow Answer

Describe the rate of glacial movement, include the factors that influence the rate.

Correct AnswerverifiedThe rate of glacial ...View AnswerShow Answer

Glacial striations can be used to map the flow direction of glaciers.

Correct AnswerverifiedShow Answer

Cycles identified by Milutin Milanković are caused by ____.

Correct AnswerverifiedShow Answer

Alpine glaciers are found on every continent on Earth.

Correct AnswerverifiedShow Answer

The Great Salt Lake is a remnant of the once-larger ____ lake called Lake Bonneville.

Correct AnswerverifiedShow Answer

During the maximum extent of Pleistocene glaciers around 18,000 years ago, global sea level was about ____ than present levels.

Correct AnswerverifiedShow Answer

A small glacial valley lying high above the floor of the main valley is called a(n) ____________________.

Correct AnswerverifiedShow Answer

Rocks embedded in the base of a glacier scrape across underlying bedrock, gouging parallel grooves and scratches are called ____.

Correct AnswerverifiedShow Answer

Snow can form into rounded ice grains, called firn, if ____.

Correct AnswerverifiedShow Answer

What are horns and where are the most famous ones located?

Correct AnswerverifiedIf glaciers erode three or mor...View AnswerShow Answer

Describe the growth of an alpine glacier.

Correct AnswerverifiedThe growth of an alp...View AnswerShow Answer

A moraine that forms when a glacier is at its greatest advance is a ____.

Correct AnswerverifiedShow Answer

A broad, gently-sloping surface that forms when outwash spreads onto a wide valley beyond a glacier is a(n) ____________________.

Correct AnswerverifiedShow Answer

The ____ is the boundary between the zone of accumulation and the zone of ablation.

Correct AnswerverifiedShow Answer

A glacier that covers an area of 50,000 square kilometers or more and spreads outward in all directions under its weight is a(n) ____________________.

Correct Answerverifiedice sheet,...View AnswerShow Answer

A ____ is an elongate hill of sediment, usually occurring in clusters, that was deposited and eroded by a glacier.

Correct AnswerverifiedShow Answer

Describe the two categories of drift.

Correct AnswerverifiedTill was deposited directly by...View AnswerShow Answer

____ is sediment that was first transported by a glacier and then transported and deposited by a stream.

Correct AnswerverifiedShow Answer

A ____ moraine forms when a glacier retreats steadily, depositing till in a relatively thin layer over a broad area.

Correct AnswerverifiedShow Answer

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The rate of glacial ...
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If glaciers erode three or mor...
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The growth of an alp...
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ice sheet,...
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Till was deposited directly by...
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