Question 1

Which of the following factors caused some high peaks of the Cascade Mountains of the Pacific Northwest to have high potential for slope failure?

Accepted Answer

A) They are volcanoes with steep slopes. 
B) They experience heavy rainfall. 
C) They may contain loose volcanic ash and other volcanic materials. 
D) All of these are correct. 
A) They are volcanoes with steep slopes. 
B) They experience heavy rainfall. 
C) They may contain loose volcanic ash and other volcanic materials. 
D) All of these are correct.

Question 2

Which of the following is an expression of the angle of repose?

Accepted Answer

A) Talus slope 
B) Some slopes of sand dunes 
C) Angle of slopes on cinder (scoria)cones 
D) All of these are correct. 
A) Talus slope 
B) Some slopes of sand dunes 
C) Angle of slopes on cinder (scoria)cones 
D) All of these are correct.

Question 3

The USGS evaluated the age of different parts of the Slumgullion feature by

Accepted Answer

A) measuring the size of trees incorporated into the material. 
B) measuring the temperature of rocks soon after the feature had moved. 
C) examining the development of soil. 
D) measuring the content of moisture during different seasons. 
E) None of these are correct. 
A) measuring the size of trees incorporated into the material. 
B) measuring the temperature of rocks soon after the feature had moved. 
C) examining the development of soil. 
D) measuring the content of moisture during different seasons. 
E) None of these are correct.

Question 4

What type of slope failure is shown in this figure?

Accepted Answer

A) Rotational slide 
B) Creep 
C) Earth flow 
D) Debris flow 
E) Rock avalanche 
A) Rotational slide 
B) Creep 
C) Earth flow 
D) Debris flow 
E) Rock avalanche

Question 5

The angle of repose is

Accepted Answer

A) the angle of bedding on hills where layers dip parallel to the slope. 
B) the angle of fractures on hills where fractures dip parallel to the slope. 
C) the angle at which rainfall strikes an unstable slope. 
D) the steepest angle at which loose material remains stable. 
A) the angle of bedding on hills where layers dip parallel to the slope. 
B) the angle of fractures on hills where fractures dip parallel to the slope. 
C) the angle at which rainfall strikes an unstable slope. 
D) the steepest angle at which loose material remains stable.

Question 6

What concepts can be explained using this diagram?

Accepted Answer

A) The movement of water between the oceans and the land 
B) How precipitation ends up in rivers or groundwater 
C) How weathering causes the seas to become saltier 
D) All of these are correct. 
A) The movement of water between the oceans and the land 
B) How precipitation ends up in rivers or groundwater 
C) How weathering causes the seas to become saltier 
D) All of these are correct.

Question 7

Which state would most likely have the highest ratio of physical weathering to chemical weathering rates?

Accepted Answer

A) Florida 
B) Alaska 
C) New York 
D) Nevada 
A) Florida 
B) Alaska 
C) New York 
D) Nevada

Question 8

Which of the following factors control how minerals weather?

Accepted Answer

A) The strength of the chemical bonds in the mineral 
B) What type of mineral is present 
C) The temperature at which the original minerals formed 
D) Whether a mineral typically crystallizes early or late in Bowen's reaction series 
E) All of these are correct. 
A) The strength of the chemical bonds in the mineral 
B) What type of mineral is present 
C) The temperature at which the original minerals formed 
D) Whether a mineral typically crystallizes early or late in Bowen's reaction series 
E) All of these are correct.

Question 9

Which numbered feature on this figure is critical to enable a rock slide to start?

Accepted Answer

A) 1,a linear or curved scar marking where the slide pulled away from the hill 
B) 2,small fractures within the sliding block 
C) 3,layers,fractures,or some other discontinuity inclined downslope 
D) 4,the front of the slide,where it overruns the land surface 
E) 5,a valley or other open space in front of the slide 
A) 1,a linear or curved scar marking where the slide pulled away from the hill 
B) 2,small fractures within the sliding block 
C) 3,layers,fractures,or some other discontinuity inclined downslope 
D) 4,the front of the slide,where it overruns the land surface 
E) 5,a valley or other open space in front of the slide

Question 10

The joints in the photograph mimic topography,indicating that they formed

Accepted Answer

A) while the granite was still molten. 
B) while the rocks were still buried at great depth. 
C) when the weight of overlying rocks was unloaded,allowing expansion along the joints. 
D) along a subduction zone. 
A) while the granite was still molten. 
B) while the rocks were still buried at great depth. 
C) when the weight of overlying rocks was unloaded,allowing expansion along the joints. 
D) along a subduction zone.

Question 11

Based on the photographs of La Conchita,California,what type of slope failure occurred?

Accepted Answer

A) Rock avalanche 
B) Debris flow 
C) Creep 
D) Rock fall 
E) Earth flow 
A) Rock avalanche 
B) Debris flow 
C) Creep 
D) Rock fall 
E) Earth flow

Question 12

A common rock that can be dissolved easily by water and weak acids is

Accepted Answer

A) quartzite. 
B) quartz-rich sandstone. 
C) limestone. 
D) All of these are correct. 
A) quartzite. 
B) quartz-rich sandstone. 
C) limestone. 
D) All of these are correct.

Question 13

Which of the following is a way that slopes fail?

Accepted Answer

A) Large blocks fall from cliffs 
B) Rocks,soil,sediment,and ice slides down steep hillsides 
C) Pieces of loose rock accumulate on talus slopes until the angle becomes too steep 
D) Soil and other loose material can flow rapidly down slopes,forming debris flows 
E) All of these are correct. 
A) Large blocks fall from cliffs 
B) Rocks,soil,sediment,and ice slides down steep hillsides 
C) Pieces of loose rock accumulate on talus slopes until the angle becomes too steep 
D) Soil and other loose material can flow rapidly down slopes,forming debris flows 
E) All of these are correct.

Question 14

Which state would most likely have the highest rate of chemical weathering?

Accepted Answer

A) Florida 
B) Alaska 
C) New York 
D) Nevada 
A) Florida 
B) Alaska 
C) New York 
D) Nevada

Question 15

Why does weathering of granite bedrock produce rounded shapes?

Accepted Answer

A) The rounded shapes are pillows formed at depth in the granitic magma. 
B) Weathering removes corners and edges,as in spheroidal weathering. 
C) Burrowing animals eat away parts of the granite. 
D) Roots rub against the edges of the granite. 
A) The rounded shapes are pillows formed at depth in the granitic magma. 
B) Weathering removes corners and edges,as in spheroidal weathering. 
C) Burrowing animals eat away parts of the granite. 
D) Roots rub against the edges of the granite.

Question 16

Which of the following is a feature that commonly forms where limestone has been dissolved?

Accepted Answer

A) Sinkhole 
B) Karst topography 
C) Cave 
D) All of these are correct. 
A) Sinkhole 
B) Karst topography 
C) Cave 
D) All of these are correct.

Question 17

Which area would most likely cause the least problems with keeping roads in good shape?

Accepted Answer

A) Bent Fence Hills 
B) Wild Ride Valley 
C) The flat area above the river terraces 
D) A road built directly below the cliffs of Flattop Mountain 
A) Bent Fence Hills 
B) Wild Ride Valley 
C) The flat area above the river terraces 
D) A road built directly below the cliffs of Flattop Mountain

Question 18

Where does the quartz in granite typically end up?

Accepted Answer

A) As small clay minerals that are deposited in lakes and the sea 
B) Quartz does not weather and so it keeps the granite from weathering 
C) As sand in rivers,dunes,and beaches 
D) It is converted into feldspar and weathers into clays. 
A) As small clay minerals that are deposited in lakes and the sea 
B) Quartz does not weather and so it keeps the granite from weathering 
C) As sand in rivers,dunes,and beaches 
D) It is converted into feldspar and weathers into clays.

Question 19

Which of the following slope failures is least likely to cause casualties?

Accepted Answer

A) Rock avalanche 
B) Debris flow 
C) Creep 
D) Rock slide 
E) Rock fall 
A) Rock avalanche 
B) Debris flow 
C) Creep 
D) Rock slide 
E) Rock fall

Question 20

Which of the following does not physically loosen rocks on the surface?

Accepted Answer

A) Water contracting as it freezes 
B) Crystals of salt and other minerals that exert an outward force on fractures 
C) Roots that pry apart fractures as the root grows in size 
D) Joints that form when rock pressures are released 
E) Rodents and other burrowing organisms 
A) Water contracting as it freezes 
B) Crystals of salt and other minerals that exert an outward force on fractures 
C) Roots that pry apart fractures as the root grows in size 
D) Joints that form when rock pressures are released 
E) Rodents and other burrowing organisms

Which of the following factors caused some high peaks of the Cascade Mountains of the Pacific Northwest to have high potential for slope failure?

Which of the following is an expression of the angle of repose?

The USGS evaluated the age of different parts of the Slumgullion feature by

What type of slope failure is shown in this figure?

The angle of repose is

What concepts can be explained using this diagram?

Which state would most likely have the highest ratio of physical weathering to chemical weathering rates?

Which of the following factors control how minerals weather?

Which numbered feature on this figure is critical to enable a rock slide to start?

The joints in the photograph mimic topography,indicating that they formed

Based on the photographs of La Conchita,California,what type of slope failure occurred?

A common rock that can be dissolved easily by water and weak acids is

Which of the following is a way that slopes fail?

Which state would most likely have the highest rate of chemical weathering?

Why does weathering of granite bedrock produce rounded shapes?

Which of the following is a feature that commonly forms where limestone has been dissolved?

Which area would most likely cause the least problems with keeping roads in good shape?

Where does the quartz in granite typically end up?

Which of the following slope failures is least likely to cause casualties?

Which of the following does not physically loosen rocks on the surface?

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Exam 12: Weathering and Mass Wasting

Which of the following factors caused some high peaks of the Cascade Mountains of the Pacific Northwest to have high potential for slope failure?

Which of the following is an expression of the angle of repose?

The USGS evaluated the age of different parts of the Slumgullion feature by

What type of slope failure is shown in this figure?

The angle of repose is

What concepts can be explained using this diagram?

Which state would most likely have the highest ratio of physical weathering to chemical weathering rates?

Which of the following factors control how minerals weather?

Which numbered feature on this figure is critical to enable a rock slide to start?

The joints in the photograph mimic topography,indicating that they formed

Based on the photographs of La Conchita,California,what type of slope failure occurred?

A common rock that can be dissolved easily by water and weak acids is

Which of the following is a way that slopes fail?

Which state would most likely have the highest rate of chemical weathering?

Why does weathering of granite bedrock produce rounded shapes?

Which of the following is a feature that commonly forms where limestone has been dissolved?

Which area would most likely cause the least problems with keeping roads in good shape?

Where does the quartz in granite typically end up?

Which of the following slope failures is least likely to cause casualties?

Which of the following does not physically loosen rocks on the surface?

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Volcanoes,deformation,and Earthquakes

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Ecosystems and Biogeochemical Cycles

Biomes

Filters