Question 1

List and describe one short-term cause for glaciations.

Accepted Answer

Answer will vary but may cover the follo

Question 2

Imagine that you live in a desert.Installing a roof that is a light tan color would help ________ your house by ________ the albedo.

Accepted Answer

A)  warm; increasing 
B)  warm; decreasing 
C)  cool; increasing 
D)  cool; decreasing 
A)  warm; increasing 
B)  warm; decreasing 
C)  cool; increasing 
D)  cool; decreasing

Question 3

Valleys carved by glaciers tend to be shaped like the letter ________,whereas valleys carved by water tend to be shaped like the letter ________.

Accepted Answer

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

Question 4

Identify the area where layered sediments have been deposited in the figure below.

Accepted Answer

A)  E 
B)  C 
C)  A 
D)  F 
A)  E 
B)  C 
C)  A 
D)  F

Question 5

You and some friends are going on a road trip and one of your goals is to see a glacier.Where could you go in the continental United States to do this? What type of glacier will you most likely be visiting?

Accepted Answer

Student answers will vary,but should be

Question 6

Identify the farthest reach of the glacier in the figure below.

Accepted Answer

A)  E 
B)  C 
C)  G 
D)  F 
A)  E 
B)  C 
C)  G 
D)  F

Question 7

The loss of rainforests would ________ the greenhouse gases,thereby ________ global warming.

Accepted Answer

A)  increase; increasing 
B)  increase; decreasing 
C)  decrease; increasing 
D)  decrease; decreasing 
A)  increase; increasing 
B)  increase; decreasing 
C)  decrease; increasing 
D)  decrease; decreasing

Question 8

Stratified sorted sand and gravel are deposited by ________.

Accepted Answer

A)  mountain glaciers 
B)  continental glaciers 
C)  glacial outwash streams 
D)  windstorms 
A)  mountain glaciers 
B)  continental glaciers 
C)  glacial outwash streams 
D)  windstorms

Question 9

Boulders left behind by glacial ice are known as __________.

Accepted Answer

A)  till 
B)  erratics 
C)  piedmont 
D)  horns 
A)  till 
B)  erratics 
C)  piedmont 
D)  horns

Question 10

Examine the graph below.There have been ________ to ________ ice ages in the Earth's history,with the latest one occurring in the ________.

Accepted Answer

A)  four; five; Pleistocene Period 
B)  five; six; Pleistocene Period 
C)  four; five; Proterozoic Era 
D)  five; six; Cenozoic Era 
A)  four; five; Pleistocene Period 
B)  five; six; Pleistocene Period 
C)  four; five; Proterozoic Era 
D)  five; six; Cenozoic Era

Question 11

Notice the boulders in the center of this picture of a glacially formed landscape.What are they? How did they get there?

Accepted Answer

The boulders are gla

Question 12

An intermediate product in the transformation of snow to glacial ice is ________.

Accepted Answer

A)  firn 
B)  deposition 
C)  ablation 
D)  terminus 
A)  firn 
B)  deposition 
C)  ablation 
D)  terminus

Question 13

Moraines are composed of jumbled piles of very poorly sorted rock fragments ranging in size from boulder to clay that fall out near the edges of glaciers.Why are the larger particles (boulders,etc.)not broken down during transport in the glacier?

Accepted Answer

A)  because the ice is not strong enough to break up rock 
B)  because sediments are picked up and carried along with the ice as it moves 
C)  because the sediments are not carried for very long distances 
D)  because the ice stops the chemical weathering processes 
A)  because the ice is not strong enough to break up rock 
B)  because sediments are picked up and carried along with the ice as it moves 
C)  because the sediments are not carried for very long distances 
D)  because the ice stops the chemical weathering processes

Question 14

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)  uplift 
A)  subsidence 
B)  erosion 
C)  ablation 
D)  uplift

Question 15

What types of moraines are shown prominently in the figure below?

Accepted Answer

A)  medial moraines 
B)  terminal moraines 
C)  lateral moraines 
D)  recessional moraines 
A)  medial moraines 
B)  terminal moraines 
C)  lateral moraines 
D)  recessional moraines

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.What real-life geologic event was this part of the movie based on?

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 Bonneville 
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 Bonneville

Question 17

Glaciers form as fresh ________ falls to the ground and accumulates.The accumulation adds pressure,which compresses the ________ until they form a packed granular material called ________.Some material melts and then ________ in the pore spaces to create a solid mass of ice.

Accepted Answer

A)  snow; snowflakes; cirques; dissolves 
B)  snow; snowflakes; firn; refreezes 
C)  ice; ice; firn; refreezes 
D)  firn; glacier; ice; gets trapped 
A)  snow; snowflakes; cirques; dissolves 
B)  snow; snowflakes; firn; refreezes 
C)  ice; ice; firn; refreezes 
D)  firn; glacier; ice; gets trapped

Question 18

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 monoxide 
A)  oxygen 
B)  nitrogen 
C)  carbon dioxide 
D)  carbon monoxide

Question 19

The polar ice caps on Mars are an example of what type of glacier?

Accepted Answer

A)  continental glacier 
B)  cirque glacier 
C)  piedmont glacier 
D)  valley glacier 
A)  continental glacier 
B)  cirque glacier 
C)  piedmont glacier 
D)  valley glacier

Question 20

If you wander around Central Park in New York City,you will eventually encounter random,large boulders that are made of a type of rock not found in the area.How did these large boulders get to Central Park?

Accepted Answer

A)  The Parks and Recreation Department placed them there for kids to play on. 
B)  They were carried by rivers and deposited in point bars. 
C)  They were carried by glaciers and dropped as glacial erratics. 
D)  They were placed there by a giant tsunami millions of years ago. 
A)  The Parks and Recreation Department placed them there for kids to play on. 
B)  They were carried by rivers and deposited in point bars. 
C)  They were carried by glaciers and dropped as glacial erratics. 
D)  They were placed there by a giant tsunami millions of years ago.

Exam 22: Amazing Ice: Glaciers and Ice Ages

List and describe one short-term cause for glaciations.

Imagine that you live in a desert.Installing a roof that is a light tan color would help ________ your house by ________ the albedo.

Valleys carved by glaciers tend to be shaped like the letter ________,whereas valleys carved by water tend to be shaped like the letter ________.

Identify the area where layered sediments have been deposited in the figure below.

You and some friends are going on a road trip and one of your goals is to see a glacier.Where could you go in the continental United States to do this? What type of glacier will you most likely be visiting?

Identify the farthest reach of the glacier in the figure below.

The loss of rainforests would ________ the greenhouse gases,thereby ________ global warming.

Stratified sorted sand and gravel are deposited by ________.

Boulders left behind by glacial ice are known as __________.

Examine the graph below.There have been ________ to ________ ice ages in the Earth's history,with the latest one occurring in the ________.

Notice the boulders in the center of this picture of a glacially formed landscape.What are they? How did they get there?

An intermediate product in the transformation of snow to glacial ice is ________.

Moraines are composed of jumbled piles of very poorly sorted rock fragments ranging in size from boulder to clay that fall out near the edges of glaciers.Why are the larger particles (boulders,etc.)not broken down during transport in the glacier?

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

What types of moraines are shown prominently in the figure below?

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.What real-life geologic event was this part of the movie based on?

Glaciers form as fresh ________ falls to the ground and accumulates.The accumulation adds pressure,which compresses the ________ until they form a packed granular material called ________.Some material melts and then ________ in the pore spaces to create a solid mass of ice.

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?

The polar ice caps on Mars are an example of what type of glacier?

If you wander around Central Park in New York City,you will eventually encounter random,large boulders that are made of a type of rock not found in the area.How did these large boulders get to Central Park?

Cosmology and the Birth of the Earth

Journey to the Center of the Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

Pages of Earths Past: Sedimentary Rocks

Metamorphism: a Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Crags,cracks,and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of the Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: the Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: the Earths Atmosphere and Climate

Dry Regions: the Geology of Deserts

Global Change in the Earth System

Introducing Rocks

a Surface Veneer: Sediments and Soils

the Rock Cycle in the Earth System

the Earths Interior, Revisited: Seismic Layering, Gravity, and the Magnetic Field

Memories of Past Life: Fossils and Evolution

Ever-Changing Landscapes and the Hydrologic Cycle

Prelude: and Just What Is Geology

Filters

Imagine that you live in a desert.Installing a roof that is a light tan color would help your house by the albedo.

Valleys carved by glaciers tend to be shaped like the letter ,whereas valleys carved by water tend to be shaped like the letter .

The loss of rainforests would the greenhouse gases,thereby global warming.

Examine the graph below.There have been to ice ages in the Earth's history,with the latest one occurring in the .

Glaciers form as fresh falls to the ground and accumulates.The accumulation adds pressure,which compresses the until they form a packed granular material called .Some material melts and then in the pore spaces to create a solid mass of ice.