Question 1

Which of the following images shows the oldest snow?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and B)
F) All of the above

Question 2

At the present,glaciers cover about ________ of the surface of the continents.

Accepted Answer

A)  1%
B)  5%
C)  10%
D)  20%E) B) and D)
F) C) and D)

Question 3

The Mars rover Curiosity has recently found evidence that there was liquid water on the planet's surface at some point in its history.Because we have not found any liquid water on the planet today,what does this imply about Mars?

Accepted Answer

A)  The planet was once covered entirely in liquid water.
B)  A drought must have removed all the water from the surface.
C)  The climate was once warm enough that the polar ice caps melted.
D)  The interior of Mars must be made entirely of liquid water.E) All of the above
F) None of the above

Question 4

Explain why the deposits made by glacial outwash are stratified.

Accepted Answer

Deposits from outwash plains are stratif...

Question 5

If a volcano were to erupt and release large amounts of ash into the air,how would this affect the climate on Earth?

Accepted Answer

A)  The ash would increase the albedo and decrease the global temperature.
B)  The ash would decrease the albedo and increase the global temperature.
C)  The ash would increase the greenhouse gases,thus increasing temperature.
D)  The ash would decrease the greenhouse gases,thus decreasing temperature.E) A) and B)
F) B) and C)

Question 6

The Milankovitch Cycles describe the relation of Earth and the ________,which affects the amount of insolation Earth receives.

Accepted Answer

A)  time of day
B)  ecliptic plane
C)  Moon
D)  SunE) None of the above
F) A) and D)

Question 7

Currently,almost all the glaciers on Earth are in a state of retreat,which means that the rate of ________ is less than the rate of ________.

Accepted Answer

A)  accumulation;ablation
B)  ablation;accumulation
C)  formation;sublimation
D)  calving;advanceE) B) and C)
F) None of the above

Question 8

________ can be recognized as a series of U-shaped hills that are lined up and represent the ________ of the glacier.

Accepted Answer

A)  Terminal moraines;advance
B)  Varves;advance
C)  Drumlins;retreat
D)  Recessional moraines;retreatE) None of the above
F) All of the above

Question 9

A glacier will always advance from its source area if the rate of accumulation is greater than the rate of ________.

Accepted Answer

A)  subsidence
B)  erosion
C)  ablation
D)  upliftE) C) and D)
F) A) and C)

Question 10

Sea level ________ during glacials and ________ during interglacials.

Accepted Answer

A)  decreases;increases
B)  increases;decreases
C)  remains constant;decreases
D)  decreases;remains constantE) A) and B)
F) B) and D)

Question 11

What are the circumstances that lead to glacial advance versus glacial retreat? Most glaciers today are in retreat.What does this imply about the glaciers and their environment?

Accepted Answer

In order for a glacier to advance there ...

Question 12

Which types of features would you find in a glacially carved landscape?

Accepted Answer

A)  eskers,drumlins,cirques,and kettles
B)  cirques,arêtes,horns,and striations
C)  cirques,arêtes,kettles,and tarns
D)  drumlins,ground moraines,and arêtesE) B) and D)
F) B) and C)

Question 13

You are hiking in your favorite forest when you encounter a surface that appears to have very fine scratches in it.What are these features?

Accepted Answer

A)  glacial till
B)  moraines
C)  striations
D)  scour marksE) B) and C)
F) None of the above

Question 14

By increasing the albedo of Earth,global ice sheets produce conditions that are ________ to their further advance,thus providing an example of ________ feedback.

Accepted Answer

A)  detrimental;positive
B)  detrimental;negative
C)  favorable;positive
D)  favorable;negativeE) C) and D)
F) A) and D)

Question 15

Which of the following figures is of glacial lake-bed deposits?

Accepted Answer

A)  a
B)  b
C)  c
D)  dE) All of the above
F) A) and C)

Question 16

In the movie Ice Age: The Meltdown,there is a large wall of ice that begins to melt and finally breaks,causing a large flood.On what real-life geologic event was this part of the movie based?

Accepted Answer

A)  the destruction of Glacial Lake Missoula
B)  the formation of the Great Salt Lake
C)  the breakup of the Ross Ice Shelf
D)  the draining of Lake BonnevilleE) C) and D)
F) A) and C)

Question 17

An important long-term factor that determines whether glacial ice will form on a continent has likely been the proportion of which gas in the atmosphere?

Accepted Answer

A)  oxygen
B)  nitrogen
C)  carbon dioxide
D)  carbon monoxideE) B) and D)
F) All of the above

Question 18

Today,continental glaciers are limited to Antarctica and ________.

Accepted Answer

A)  Alaska
B)  Greenland
C)  Canada
D)  SiberiaE) B) and D)
F) A) and B)

Question 19

Which of the following scenarios would lead to glacial advance during a time of global warming?

Accepted Answer

A)  a glacier in a depression that lies in shadows most of the day
B)  a glacier in a valley on the leeward side of a mountain range
C)  a glacier that caps the highest mountain on the planet
D)  a continental glacier that covers an entire continentE) B) and D)
F) A) and D)

Question 20

During the Pleistocene Ice Age glaciers reached as far south as ________.

Accepted Answer

A)  Ontario,Canada
B)  Illinois,USA
C)  Beijing,China
D)  Tennessee,USAE) B) and C)
F) None of the above

Exam 18: Amazing Ice: Glaciers and Ice Ages

Explain why the deposits made by glacial outwash are stratified.

Correct AnswerverifiedDeposits from outwash plains are stratif...View AnswerShow Answer

________ can be recognized as a series of U-shaped hills that are lined up and represent the ________ of the glacier.

Correct AnswerverifiedShow Answer

In the movie Ice Age: The Meltdown,there is a large wall of ice that begins to melt and finally breaks,causing a large flood.On what real-life geologic event was this part of the movie based?

Correct AnswerverifiedShow Answer

A glacier will always advance from its source area if the rate of accumulation is greater than the rate of ________.

Correct AnswerverifiedShow Answer

The Milankovitch Cycles describe the relation of Earth and the ________,which affects the amount of insolation Earth receives.

Correct AnswerverifiedShow Answer

Which of the following figures is of glacial lake-bed deposits?

Correct AnswerverifiedShow Answer

Sea level ________ during glacials and ________ during interglacials.

Correct AnswerverifiedShow Answer

By increasing the albedo of Earth,global ice sheets produce conditions that are ________ to their further advance,thus providing an example of ________ feedback.

Correct AnswerverifiedShow Answer

Currently,almost all the glaciers on Earth are in a state of retreat,which means that the rate of ________ is less than the rate of ________.

Correct AnswerverifiedShow Answer

An important long-term factor that determines whether glacial ice will form on a continent has likely been the proportion of which gas in the atmosphere?

Correct AnswerverifiedShow Answer

During the Pleistocene Ice Age glaciers reached as far south as ________.

Correct AnswerverifiedShow Answer

At the present,glaciers cover about ________ of the surface of the continents.

Correct AnswerverifiedShow Answer

If a volcano were to erupt and release large amounts of ash into the air,how would this affect the climate on Earth?

Correct AnswerverifiedShow Answer

The Mars rover Curiosity has recently found evidence that there was liquid water on the planet's surface at some point in its history.Because we have not found any liquid water on the planet today,what does this imply about Mars?

Correct AnswerverifiedShow Answer

Which of the following images shows the oldest snow?

Correct AnswerverifiedShow Answer

Today,continental glaciers are limited to Antarctica and ________.

Correct AnswerverifiedShow Answer

Which of the following scenarios would lead to glacial advance during a time of global warming?

Correct AnswerverifiedShow Answer

Which types of features would you find in a glacially carved landscape?

Correct AnswerverifiedShow Answer

You are hiking in your favorite forest when you encounter a surface that appears to have very fine scratches in it.What are these features?

Correct AnswerverifiedShow Answer

What are the circumstances that lead to glacial advance versus glacial retreat? Most glaciers today are in retreat.What does this imply about the glaciers and their environment?

Correct AnswerverifiedIn order for a glacier to advance there ...View AnswerShow Answer

Correct Answer
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Deposits from outwash plains are stratif...
View Answer

can be recognized as a series of U-shaped hills that are lined up and represent the of the glacier.

Correct Answer
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Sea level during glacials and during interglacials.

Correct Answer
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By increasing the albedo of Earth,global ice sheets produce conditions that are to their further advance,thus providing an example of feedback.

Correct Answer
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Currently,almost all the glaciers on Earth are in a state of retreat,which means that the rate of is less than the rate of .

Correct Answer
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In order for a glacier to advance there ...
View Answer