Question 1

Which of the following is NOT an approach communities have tried to address shoreline problems?

Accepted Answer

A)  construction of a seawall
B)  construction of a jetty
C)  lowering the local sea level
D)  building a breakwater
E)  replenishing sandF) A) and D)
G) D) and E)

Question 2

What are these sharp,glacially carved ridges?

Accepted Answer

A)  cirque
B)  arête
C)  hogback
D)  razorback
E)  flatironF) A) and B)
G) A) and C)

Question 3

Which of the following is NOT a way glaciers move downhill?

Accepted Answer

A)  the glacier can slide over bedrock
B)  a glacier can move by internal shear and flow
C)  the upper parts of glaciers can fracture
D)  the lower part of a glacier flows faster than the upper partE) B) and D)
F) A) and D)

Question 4

What is this bowl-shaped,glacially carved feature?

Accepted Answer

A)  hanging valley
B)  arête
C)  cirque
D)  continental ice sheetE) All of the above
F) A) and B)

Question 5

With the Sun and Moon in this position,what does the side of the earth facing the moon experience?

Accepted Answer

A)  a normal high tide
B)  a normal low tide
C)  a spring tide
D)  a neap tideE) B) and C)
F) A) and D)

Question 6

Which of the following is true about how shorelines are affected from the land side?

Accepted Answer

A)  many beach areas are backed by coastal dunes formed by the wind
B)  rivers are not important contributors of sediment into the shoreline system
C)  fine sediment in rivers is deposited close to shore and coarser sediment is carried farther away from shore
D)  all of theseE) B) and C)
F) A) and D)

Question 7

The margins of glaciers are usually darker than the interior primarily because:

Accepted Answer

A)  shearing causes the ice to expel air and become darker
B)  glaciers are transparent so the underlying bedrock is visible
C)  the sides are moving faster than the interior of the glacier
D)  the sides have a higher concentration of rocks and other debris
E)  all of theseF) A) and B)
G) B) and C)

Question 8

What name best describes the area of the lake in this photograph?

Accepted Answer

A)  terminal moraine
B)  equilibrium line
C)  hanging valley
D)  lateral moraine
E)  drumlinF) A) and C)
G) All of the above

Question 9

What do these curved ridges (eskers) record?

Accepted Answer

A)  ancient shorelines
B)  meltwater channels below or within a glacier
C)  soft glacial sediment shaped by the moving glacier
D)  glacially derived,wind-blown dustE) A) and B)
F) A) and C)

Question 10

What happens to snowflakes as they become progressively buried within glaciers?

Accepted Answer

A)  they become less dense because of large amounts of trapped air
B)  they begin to melt as they are insulated from the cold air
C)  they become interlocking crystals of ice
D)  they can become brighter white because of trapped air
E)  all of theseF) A) and C)
G) B) and D)

Question 11

Which dashed line in this figure would be the wave base?

Accepted Answer

A)  1
B)  2
C)  3
D)  1 and 2
E)  2 and 3F) All of the above
G) C) and D)

Question 12

What are some possible influences of ocean currents on glaciation?

Accepted Answer

A)  Cold currents can cool the land allowing glaciers to form if there is sufficient precipitation.
B)  Cold currents can inhibit the growth of glaciers because they put less moisture into the atmosphere.
C)  Warm currents can warm parts of continents,inhibiting glaciation.
D)  Warm currents bring warm moist air that can increase precipitation and snowfall if the temperature is cold enough.
E)  All of these.F) None of the above
G) D) and E)

Question 13

Which way is the current moving along this coastline?

Accepted Answer

A)  out to sea
B)  in toward the coast
C)  from right to left
D)  from left to rightE) B) and C)
F) A) and B)

Question 14

What is the feature numbered 1 in the upper part of this figure?

Accepted Answer

A)  cirque
B)  U-shaped valley
C)  lateral moraine
D)  terminal moraineE) All of the above
F) None of the above

Question 15

What is the feature numbered 2 on this photograph?

Accepted Answer

A)  medial moraine
B)  terminal moraine
C)  recessional moraine
D)  esker
E)  kettleF) C) and D)
G) B) and C)

Question 16

What geologic event is probably indicated by this irregular coast,with estuaries?

Accepted Answer

A)  a rise in sea level
B)  a drop in sea level
C)  erosion due to large tsunamis
D)  the uplift of submarine canyonsE) A) and D)
F) A) and C)

Question 17

Factors that affect the appearance of a shoreline include:

Accepted Answer

A)  the hardness of bedrock along the coast
B)  climate and vegetation
C)  whether sea level has risen or fallen relative to the coast
D)  all of theseE) C) and D)
F) A) and C)

Question 18

If all the ice on the planet was melted,how much would it cause global sea level to rise? If you do not remember the approximate size of this rise,the volume of ice is 32,000,000 km3 and the surface area of the world's ocean is 361,000,000 km2.

Accepted Answer

A)  less than 10 centimeters
B)  10 centimeters to 1 meter
C)  1 meter to 10 meters
D)  10 meters to 100 meters
E)  more than 100 metersF) B) and E)
G) C) and E)

Question 19

Which of the following can influence whether a shoreline gains or losses sand with time?

Accepted Answer

A)  the amount of precipitation on land
B)  the amount of sediment in rivers
C)  a longshore current
D)  prevailing wind direction
E)  all of theseF) A) and B)
G) A) and C)

Question 20

Which of the following is true about how shorelines are affected from the water side?

Accepted Answer

A)  most waves are generated by earthquakes and become larger upon approaching the shore
B)  most erosion along shorelines occurs from offshore currents
C)  waves can erode,deposit,or simply transport sediment
D)  tides increase and decrease the size of waves but leave sea level unchanged
E)  none of theseF) B) and D)
G) All of the above

Exam 14: Glaciers, shorelines, and Changing Sea Levels

The margins of glaciers are usually darker than the interior primarily because:

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What is this bowl-shaped,glacially carved feature?

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Which of the following can influence whether a shoreline gains or losses sand with time?

Correct AnswerverifiedShow Answer

Factors that affect the appearance of a shoreline include:

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With the Sun and Moon in this position,what does the side of the earth facing the moon experience?

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Which of the following is NOT an approach communities have tried to address shoreline problems?

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What are these sharp,glacially carved ridges?

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What is the feature numbered 1 in the upper part of this figure?

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What geologic event is probably indicated by this irregular coast,with estuaries?

Correct AnswerverifiedShow Answer

What are some possible influences of ocean currents on glaciation?

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Which way is the current moving along this coastline?

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Which of the following is true about how shorelines are affected from the water side?

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What name best describes the area of the lake in this photograph?

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What is the feature numbered 2 on this photograph?

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What happens to snowflakes as they become progressively buried within glaciers?

Correct AnswerverifiedShow Answer

If all the ice on the planet was melted,how much would it cause global sea level to rise? If you do not remember the approximate size of this rise,the volume of ice is 32,000,000 km3 and the surface area of the world's ocean is 361,000,000 km2.

Correct AnswerverifiedShow Answer

Which dashed line in this figure would be the wave base?

Correct AnswerverifiedShow Answer

Which of the following is NOT a way glaciers move downhill?

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Which of the following is true about how shorelines are affected from the land side?

Correct AnswerverifiedShow Answer

What do these curved ridges (eskers) record?

Correct AnswerverifiedShow Answer

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If all the ice on the planet was melted,how much would it cause global sea level to rise? If you do not remember the approximate size of this rise,the volume of ice is 32,000,000 km³ and the surface area of the world's ocean is 361,000,000 km².

Correct Answer
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Correct Answer
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Correct Answer
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