Question 1

Which of the following is correct regarding valley glaciers?

Accepted Answer

A)  The snowfield sources for these glaciers are usually found right at the snowline. 
B)  They occur in an unconfined environment-like an open plain. 
C)  They may range in length from 100 m (325 ft.) to 100 km (62 mi.). 
D)  They remain stationary and do not move. 
A)  The snowfield sources for these glaciers are usually found right at the snowline. 
B)  They occur in an unconfined environment-like an open plain. 
C)  They may range in length from 100 m (325 ft.) to 100 km (62 mi.). 
D)  They remain stationary and do not move.

Question 2

Combined, alpine glaciers and ice sheets cover about 10% of the Earth's land surface.

Accepted Answer

A) True 
 B)False

Question 3

During the Pleistocene, there was as many as 18 glacial advances and retreats.

Accepted Answer

A) True 
 B)False

Question 4

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Accepted Answer

A) True 
 B)False

Question 5

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

Accepted Answer

A) True 
 B)False

Question 6

A glacier behaves more like a plastic than a rigid body.

Accepted Answer

A) True 
 B)False

Question 7

The 10°C (50°F) isotherm for July is used as the environmental criteria to define

Accepted Answer

A)  the Arctic region. 
B)  the Antarctic convergence. 
C)  the Antarctic region. 
D)  the extent of Pleistocene glaciation. 
A)  the Arctic region. 
B)  the Antarctic convergence. 
C)  the Antarctic region. 
D)  the extent of Pleistocene glaciation.

Question 8

An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n)

Accepted Answer

A)  esker. 
B)  drumlin. 
C)  roche moutonnée. 
D)  bergschrund. 
A)  esker. 
B)  drumlin. 
C)  roche moutonnée. 
D)  bergschrund.

Question 9

Describe the process by which snow becomes glacial ice.

Accepted Answer

Glaciers form by the continual accumulat

Question 10

A talik connects the surface to groundwater in discontinuous permafrost.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not generally correct regarding the basal layer of a glacier?

Accepted Answer

A)  It can extend tens of meters above the ground surface. 
B)  It tends to flow more slowly than the overlying parts of the glacier. 
C)  It contains more debris than other parts of the glacier. 
D)  Crevasses form in this region of the glacier. 
A)  It can extend tens of meters above the ground surface. 
B)  It tends to flow more slowly than the overlying parts of the glacier. 
C)  It contains more debris than other parts of the glacier. 
D)  Crevasses form in this region of the glacier.

Question 12

Discuss several issues glacial and periglacial environments may face during the 21st Century.

Accepted Answer

Answers will vary. The main broad issue

Question 13

A glaciated valley is ________ shaped; a stream cut valley is ________ shaped.

Accepted Answer

A)  V-; U- 
B)  U-; V- 
C)  U-; U- 
D)  V-; V- 
A)  V-; U- 
B)  U-; V- 
C)  U-; U- 
D)  V-; V-

Question 14

Which of the following is not true?

Accepted Answer

A)  The Antarctic is generally colder than the Arctic. 
B)  Antarctica can be thought of as a continent covered by a single enormous glacier. 
C)  The Arctic is a large landmass surrounded by a cold ocean. 
D)  About half of the Arctic sea-ice volume has disappeared since 1970. 
A)  The Antarctic is generally colder than the Arctic. 
B)  Antarctica can be thought of as a continent covered by a single enormous glacier. 
C)  The Arctic is a large landmass surrounded by a cold ocean. 
D)  About half of the Arctic sea-ice volume has disappeared since 1970.

Question 15

Why is glacial ice analogous to a metamorphic rock?

Accepted Answer

A)  It has a definite chemical composition. 
B)  It has a crystalline structure. 
C)  It forms as a result of recrystallization caused by pressure. 
D)  It is solid. 
A)  It has a definite chemical composition. 
B)  It has a crystalline structure. 
C)  It forms as a result of recrystallization caused by pressure. 
D)  It is solid.

Question 16

A general term for a mass of perennial ice, resting on land or floating in the sea attached to a landmass is

Accepted Answer

A)  the snowline. 
B)  an iceberg. 
C)  a glacier. 
D)  a moraine. 
A)  the snowline. 
B)  an iceberg. 
C)  a glacier. 
D)  a moraine.

Question 17

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

Accepted Answer

A)  drumlin. 
B)  kame. 
C)  esker. 
D)  kettle. 
A)  drumlin. 
B)  kame. 
C)  esker. 
D)  kettle.

Question 18

Which of the following is not an example of a pluvial lake?

Accepted Answer

A)  Lake Superior 
B)  Lake Bonneville 
C)  Lake Lahontan 
D)  Lake Russell 
A)  Lake Superior 
B)  Lake Bonneville 
C)  Lake Lahontan 
D)  Lake Russell

Question 19

List several distinct landforms created by alpine glaciers and ice sheets, describing the manner in which they formed.

Accepted Answer

Answers will vary. Some examples may inc

Question 20

A paternoster lake is a singular lake filling a small cirque basin behind risers of rock material.

Accepted Answer

A) True 
 B)False

Which of the following is correct regarding valley glaciers?

Combined, alpine glaciers and ice sheets cover about 10% of the Earth's land surface.

During the Pleistocene, there was as many as 18 glacial advances and retreats.

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

A glacier behaves more like a plastic than a rigid body.

The 10°C (50°F) isotherm for July is used as the environmental criteria to define

An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n)

Describe the process by which snow becomes glacial ice.

A talik connects the surface to groundwater in discontinuous permafrost.

Which of the following is not generally correct regarding the basal layer of a glacier?

Discuss several issues glacial and periglacial environments may face during the 21st Century.

A glaciated valley is shaped; a stream cut valley is shaped.

Which of the following is not true?

Why is glacial ice analogous to a metamorphic rock?

A general term for a mass of perennial ice, resting on land or floating in the sea attached to a landmass is

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

Which of the following is not an example of a pluvial lake?

List several distinct landforms created by alpine glaciers and ice sheets, describing the manner in which they formed.

A paternoster lake is a singular lake filling a small cirque basin behind risers of rock material.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

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Exam 17: Glacial and Periglacial Processes and Landforms

Which of the following is correct regarding valley glaciers?

Combined, alpine glaciers and ice sheets cover about 10% of the Earth's land surface.

During the Pleistocene, there was as many as 18 glacial advances and retreats.

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

A glacier behaves more like a plastic than a rigid body.

The 10°C (50°F) isotherm for July is used as the environmental criteria to define

An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n)

Describe the process by which snow becomes glacial ice.

A talik connects the surface to groundwater in discontinuous permafrost.

Which of the following is not generally correct regarding the basal layer of a glacier?

Discuss several issues glacial and periglacial environments may face during the 21st Century.

A glaciated valley is ________ shaped; a stream cut valley is ________ shaped.

Which of the following is not true?

Why is glacial ice analogous to a metamorphic rock?

A general term for a mass of perennial ice, resting on land or floating in the sea attached to a landmass is

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

Which of the following is not an example of a pluvial lake?

List several distinct landforms created by alpine glaciers and ice sheets, describing the manner in which they formed.

A paternoster lake is a singular lake filling a small cirque basin behind risers of rock material.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

A glaciated valley is shaped; a stream cut valley is shaped.