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Multiple Choice Quiz
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To help you master concepts from Chapter 12 (Glaciers and Glaciation), take this sample examination. Think what it would be like to live during an Ice Age

1
Alpine glaciation:
A)is found in mountainous regions.
B)exists where a large part of a continent is covered by glacial ice.
C)is a type of glacier.
D)cannot be found on Earth today.
2
Continental glaciation:
A)is found in mountainous regions.
B)exists where a large part of a continent is covered by glacial ice.
C)is a type of glacier.
D)cannot be found on Earth today.
3
At present, what percentage of Earth's land surface is covered by glaciers?
A)10
B)50
C)5
D)0.1
4
Which is not a type of glacier?
A)valley glacier.
B)ice sheet.
C)ice cap.
D)sea ice.
5
The boundary between the zone ablation and the zone of accumulation is called:
A)the tree line.
B)the equilibrium line.
C)the fall line.
D)the glacial compensation point.
6
The ice caps on Mars are composed mostly of:
A)water ice.
B)frozen nitrogen.
C)carbon dioxide (dry ice).
D)none of these.
7
Recently, geologist have been drilling ice sheets for clues about:
A)the whereabouts of Noah's ark.
B)past climates.
C)astronomical events.
D)the quantity of water stored in glaciers.
8
Glacially eroded valleys are typically:
A)S-shaped.
B)V-shaped.
C)W-shaped
D)U-shaped.
9
Which is not a type of moraine?
A)ground moraine.
B)lateral moraine.
C)recessional moraine.
D)all of these are tyoes of moraine.
10
The last episode of widespread continental glaciation in North America was at its peak:
A)500,000 years ago.
B)2 million years ago.
C)18,000 years ago.
D)has not ended yet.
11
Alpine glaciers flow downhill because:
A)the ice is very massive
B)ice behaves as a plastic solid.
C)the ice is very thick.
D)the ice is very strong.
12
During the last Ice Age, much of Nevada, Utah, and eastern California was covered by:
A)continental glaciers.
B)wind-blown silt.
C)volcanic ash.
D)large lakes.
13
Crevasses form in the surface of glaciers because:
A)the near-surface ice is easily melted.
B)the near-surface ice is very cold.
C)the near-surface ice behaves as a brittle solid.
D)the near-surface ice does not move, but ice beneath it does.
14
The ice that forms continental glaciers originates as:
A)water evaporated from the ocean.
B)water precipitated from the atmosphere as snow.
C)snow that recrystallizes to form ice.
D)all of these.
15
Glaciers are capable of:
A)significant erosion.
B)significant deposition.
C)significant modification of landscapes.
D)all of these.
16
When continental glaciers were present during the last Ice Age:
A)sea-level was lower.
B)sea-level was the same because the mass of ice pushed the continents downward.
C)sea-level was higher because the mass of ice pushed the continents down.
D)none of these.
17
Today, glaciers worldwide are:
A)advancing.
B)receding.
C)neither advancing nor receding.
D)none of these.
18
Since the end of the last Ice Age, northern Canada:
A)has experienced significant uplift.
B)has been flooded by rising sea-level.
C)has been covered by glacial ice.
D)none of these.
19
Continental glaciers:
A)can be kilometers thick.
B)are usually thinner than alpine glaciers.
C)flow more slowly than alpine glaciers.
D)are not as cold as alpine glaciers.
20
The Theory of Glacial Ages was first articulated in:
A)the 20th Century
B)the 19th Century
C)the 18th Century
D)the 17th Century







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