Question 1

Discuss how different slope compositions affect the likelihood of mass movement.

Accepted Answer

Slopes may be composed of solid bedrock,

Question 2

Underwater landslides on the southeastern flanks of the K'ilauea volcano are due to:

Accepted Answer

A)  tsunamis. 
B)  inflation of the volcano before eruption. 
C)  explosive volcanic eruptions. 
D)  earthquakes. 
A)  tsunamis. 
B)  inflation of the volcano before eruption. 
C)  explosive volcanic eruptions. 
D)  earthquakes.

Question 3

Slopes composed of bedrock are most susceptible to mass movement when:

Accepted Answer

A)  the rock is sedimentary, and the bedding planes lie parallel to the slope surface. 
B)  the rock is igneous and lacks joints or fractures. 
C)  the rock is metamorphic, and the foliation planes lie perpendicular to the slope surface. 
D)  the rock is igneous, and planes of weakness lie perpendicular to the slope surface. 
A)  the rock is sedimentary, and the bedding planes lie parallel to the slope surface. 
B)  the rock is igneous and lacks joints or fractures. 
C)  the rock is metamorphic, and the foliation planes lie perpendicular to the slope surface. 
D)  the rock is igneous, and planes of weakness lie perpendicular to the slope surface.

Question 4

Define the term "mass movement" and discuss the damages and deaths caused by mass- movement events in the United States.

Accepted Answer

Mass movement is the process that transp

Question 5

The city of La Conchita was located on an old landslide that was reactivated by:

Accepted Answer

A)  an earthquake in the region. 
B)  high waves from the ocean. 
C)  road construction in the area. 
D)  heavy rains in the region. 
A)  an earthquake in the region. 
B)  high waves from the ocean. 
C)  road construction in the area. 
D)  heavy rains in the region.

Question 6

Discuss methods of preventing mass- movement events.

Accepted Answer

The goal in preventing mass- movement ev

Question 7

The primary difference between slides and slumps is that:

Accepted Answer

A)  slides move much more rapidly than slumps. 
B)  in slides, loose material behaves like a solid, and in slumps, loose material behaves like a liquid. 
C)  slides occur along a plane surface, and slumps occur along a curved surface. 
D)  slides involve fragments of bedrock, whereas slumps involve soil. 
A)  slides move much more rapidly than slumps. 
B)  in slides, loose material behaves like a solid, and in slumps, loose material behaves like a liquid. 
C)  slides occur along a plane surface, and slumps occur along a curved surface. 
D)  slides involve fragments of bedrock, whereas slumps involve soil.

Question 8

The first clues to the future behavior of past or ongoing mass movements are often gained from:

Accepted Answer

A)  information about the frequency of possible triggering mechanisms. 
B)  terrain analysis. 
C)  geological evidence of previous slope failure. 
D)  eyewitness accounts of unusual terrain behavior. 
A)  information about the frequency of possible triggering mechanisms. 
B)  terrain analysis. 
C)  geological evidence of previous slope failure. 
D)  eyewitness accounts of unusual terrain behavior.

Question 9

The best definition of mass movement is:

Accepted Answer

A)  the transport of Earth materials by wind. 
B)  the transport of Earth materials downslope by the pull of gravity. 
C)  the transport of Earth materials by glaciers. 
D)  the transport of Earth materials by streams. 
A)  the transport of Earth materials by wind. 
B)  the transport of Earth materials downslope by the pull of gravity. 
C)  the transport of Earth materials by glaciers. 
D)  the transport of Earth materials by streams.

Question 10

Which of the following could maintain the greatest angle of repose?

Accepted Answer

A)  Dry sand. 
B)  Round creek pebbles. 
C)  Talus slopes containing large, highly angular boulders. 
D)  Wet sand. 
A)  Dry sand. 
B)  Round creek pebbles. 
C)  Talus slopes containing large, highly angular boulders. 
D)  Wet sand.

Question 11

The first step in preventing mass- movement events is:

Accepted Answer

A)  to determine how to reduce slope forces promoting mass movement. 
B)  investigation of subsurface geology in the area. 
C)  identification of potential trigger mechanisms in the region. 
D)  to determine how to enhance slope forces resisting movement. 
A)  to determine how to reduce slope forces promoting mass movement. 
B)  investigation of subsurface geology in the area. 
C)  identification of potential trigger mechanisms in the region. 
D)  to determine how to enhance slope forces resisting movement.

Question 12

For dry sand, the angle of repose is generally in what range?

Accepted Answer

A)  10- 15°. 
B)  30 to 35°. 
C)  45- 50°. 
D)  60- 70°. 
A)  10- 15°. 
B)  30 to 35°. 
C)  45- 50°. 
D)  60- 70°.

Question 13

Which of the following represents a common relationship between types of mass movement?

Accepted Answer

A)  Slides are often preceded by creep. 
B)  Falls are often preceded by slumps. 
C)  Falls are often preceded by slides. 
D)  Flows are often preceded by falls. 
A)  Slides are often preceded by creep. 
B)  Falls are often preceded by slumps. 
C)  Falls are often preceded by slides. 
D)  Flows are often preceded by falls.

Question 14

Geologists can date mass- movement events by which of the following methods?

Accepted Answer

A)  Lichenometry. 
B)  Dendrochronology. 
C)  C14 dating of organic materials. 
D)  All of the above. 
A)  Lichenometry. 
B)  Dendrochronology. 
C)  C14 dating of organic materials. 
D)  All of the above.

Question 15

Vegetation hinders mass movement by:

Accepted Answer

A)  halting the downslope flow of heavy rainfall. 
B)  decreasing the weight on the slope. 
C)  preventing slope steepening by natural or human causes. 
D)  binding and stabilizing the soil. 
A)  halting the downslope flow of heavy rainfall. 
B)  decreasing the weight on the slope. 
C)  preventing slope steepening by natural or human causes. 
D)  binding and stabilizing the soil.

Question 16

All of the following are practical methods for reducing the water content of a slope EXCEPT:

Accepted Answer

A)  constructing a perforated- pipe drainage system. 
B)  remove vegetation from slope. 
C)  covering the slope with sheets of plastic or a layer of concrete. 
D)  erecting a barrier to divert water away from a slope. 
A)  constructing a perforated- pipe drainage system. 
B)  remove vegetation from slope. 
C)  covering the slope with sheets of plastic or a layer of concrete. 
D)  erecting a barrier to divert water away from a slope.

Question 17

Which of the following conditions make rocks less stable in resisting downslope movement?

Accepted Answer

A)  Chemical weathering produces solution cavities. 
B)  Mechanical weathering produces cracks in the rock. 
C)  Tectonic forces produce fractures. 
D)  All of the above. 
A)  Chemical weathering produces solution cavities. 
B)  Mechanical weathering produces cracks in the rock. 
C)  Tectonic forces produce fractures. 
D)  All of the above.

Question 18

The most common type of mass movement is:

Accepted Answer

A)  fall. 
B)  flow. 
C)  creep. 
D)  slide. 
A)  fall. 
B)  flow. 
C)  creep. 
D)  slide.

Question 19

Large slump areas can be camouflaged beneath vegetation and creeping materials. These are best detected by using:

Accepted Answer

A)  satellite imagery. 
B)  aerial photographs. 
C)  historical records. 
D)  seismic profiling. 
A)  satellite imagery. 
B)  aerial photographs. 
C)  historical records. 
D)  seismic profiling.

Question 20

All of the following are true of flows EXCEPT:

Accepted Answer

A)  the most dangerous flows have a very high water content. 
B)  they are mixtures of solid particles that behave like a viscous fluid. 
C)  some flows can be relatively dry. 
D)  they are classified by speed and the angle of the underlying slope. 
A)  the most dangerous flows have a very high water content. 
B)  they are mixtures of solid particles that behave like a viscous fluid. 
C)  some flows can be relatively dry. 
D)  they are classified by speed and the angle of the underlying slope.

Discuss how different slope compositions affect the likelihood of mass movement.

Underwater landslides on the southeastern flanks of the K'ilauea volcano are due to:

Slopes composed of bedrock are most susceptible to mass movement when:

Define the term "mass movement" and discuss the damages and deaths caused by mass- movement events in the United States.

The city of La Conchita was located on an old landslide that was reactivated by:

Discuss methods of preventing mass- movement events.

The primary difference between slides and slumps is that:

The first clues to the future behavior of past or ongoing mass movements are often gained from:

The best definition of mass movement is:

Which of the following could maintain the greatest angle of repose?

The first step in preventing mass- movement events is:

For dry sand, the angle of repose is generally in what range?

Which of the following represents a common relationship between types of mass movement?

Geologists can date mass- movement events by which of the following methods?

Vegetation hinders mass movement by:

All of the following are practical methods for reducing the water content of a slope EXCEPT:

Which of the following conditions make rocks less stable in resisting downslope movement?

The most common type of mass movement is:

Large slump areas can be camouflaged beneath vegetation and creeping materials. These are best detected by using:

All of the following are true of flows EXCEPT:

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Streams and Floods

Groundwater

Glaciers and Ice Ages

Deserts and the Work of Winds

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

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Exam 14: Mass Movement

Discuss how different slope compositions affect the likelihood of mass movement.

Underwater landslides on the southeastern flanks of the K'ilauea volcano are due to:

Slopes composed of bedrock are most susceptible to mass movement when:

Define the term "mass movement" and discuss the damages and deaths caused by mass- movement events in the United States.

The city of La Conchita was located on an old landslide that was reactivated by:

Discuss methods of preventing mass- movement events.

The primary difference between slides and slumps is that:

The first clues to the future behavior of past or ongoing mass movements are often gained from:

The best definition of mass movement is:

Which of the following could maintain the greatest angle of repose?

The first step in preventing mass- movement events is:

For dry sand, the angle of repose is generally in what range?

Which of the following represents a common relationship between types of mass movement?

Geologists can date mass- movement events by which of the following methods?

Vegetation hinders mass movement by:

All of the following are practical methods for reducing the water content of a slope EXCEPT:

Which of the following conditions make rocks less stable in resisting downslope movement?

The most common type of mass movement is:

Large slump areas can be camouflaged beneath vegetation and creeping materials. These are best detected by using:

All of the following are true of flows EXCEPT:

A First Look at Planet Earth - Its Origins, Systems, and Tectonic Plates

Minerals

Igneous Rocks and Processes

Volcanoes and Volcanism

Weathering - the Breakdown of Rocks

Sedimentary Processes, Environments, and Rocks

Metamorphism and Metamorphic Rocks

Telling Time Geologically

Earth Structures - Folds, Faults, and Fabrics

Earthquakes

The Earths Interior - Whats Going on Down There

Plate Tectonics and the Formation of the Earths Oceans

Continental Tectonics and the Formation of the Earths Continents

Streams and Floods

Groundwater

Glaciers and Ice Ages

Deserts and the Work of Winds

Shores and Coastal Processes

Human Use of the Earths Resources Appendices Glossary

Filters