Question 1

The main types of mass movement are downward,as in falling or subsiding,or downward and outward,as in sliding and flowing.

Accepted Answer

A) True 
 B)False

Question 2

Clays are among the least abundant of all sediments.

Accepted Answer

A) True 
 B)False

Question 3

External processes that increase the odds of a slope failure include ________________.

Accepted Answer

A) adding mass high on a slope,as in sediment deposition 
B) steepening the slope,as by fault movements 
C) removing support from low on a slope,as by stream or ocean-wave erosion 
D) All of these choices are correct. 
A) adding mass high on a slope,as in sediment deposition 
B) steepening the slope,as by fault movements 
C) removing support from low on a slope,as by stream or ocean-wave erosion 
D) All of these choices are correct.

Question 4

Creep is an ultra-slow,almost imperceptible upslope movement of the soil and uppermost bedrock zones.

Accepted Answer

A) True 
 B)False

Question 5

Quick clays are among the least mobile of all deposits and so provide favorable building sites.

Accepted Answer

A) True 
 B)False

Question 6

Many hill-slope masses are weak due to preexisting geologic conditions such as _______________.

Accepted Answer

A) ancient slide surfaces 
B) rock layering dipping less than topographic slopes 
C) structures within the rocks,such as fractures,ancient faults,and thin clay seams 
D) All of these choices are correct. 
A) ancient slide surfaces 
B) rock layering dipping less than topographic slopes 
C) structures within the rocks,such as fractures,ancient faults,and thin clay seams 
D) All of these choices are correct.

Question 7

The volume of soil does not stay constant but instead swells and shrinks.

Accepted Answer

A) True 
 B)False

Question 8

Clay crystals __________________.

Accepted Answer

A) are very large 
B) are very small 
C) range from very large to very small 
D) are amorphous 
E) form isostacies 
A) are very large 
B) are very small 
C) range from very large to very small 
D) are amorphous 
E) form isostacies

Question 9

The sum of all the underlying causes can push a slope to the brink of failure,and then an immediate cause may trigger the movement.Triggers for mass movements include ______________.

Accepted Answer

A) heavy rains 
B) earthquakes 
C) thawing of frozen ground 
D) the construction projects of humans 
E) All of these choices are correct. 
A) heavy rains 
B) earthquakes 
C) thawing of frozen ground 
D) the construction projects of humans 
E) All of these choices are correct.

The main types of mass movement are downward,as in falling or subsiding,or downward and outward,as in sliding and flowing.

Clays are among the least abundant of all sediments.

External processes that increase the odds of a slope failure include ________________.

Creep is an ultra-slow,almost imperceptible upslope movement of the soil and uppermost bedrock zones.

Quick clays are among the least mobile of all deposits and so provide favorable building sites.

Many hill-slope masses are weak due to preexisting geologic conditions such as _______________.

The volume of soil does not stay constant but instead swells and shrinks.

Clay crystals __________________.

The sum of all the underlying causes can push a slope to the brink of failure,and then an immediate cause may trigger the movement.Triggers for mass movements include ______________.

Natural Disasters and the Human Population

Internal Energy and Plate Tectonics

Earthquake Geology and Seismology

Plate Tectonics and Earthquakes

Earthquakes Throughout the United States and Canada

Volcanic Eruptions: Plate Tectonics and Magmas

Volcano Processes and Deadly Events

Tsunami Versus Wind-Caused Waves

External Energy Fuels Weather and Climate

Tornadoes, Lightning, Heat, and Cold

Hurricanes

Climate Change

Floods

Fire

Coastal Processes and Hazards

Impacts With Space Objects

Filters

Exam 15: Mass Movements

The main types of mass movement are downward,as in falling or subsiding,or downward and outward,as in sliding and flowing.

Clays are among the least abundant of all sediments.

External processes that increase the odds of a slope failure include ________________.

Creep is an ultra-slow,almost imperceptible upslope movement of the soil and uppermost bedrock zones.

Quick clays are among the least mobile of all deposits and so provide favorable building sites.

Many hill-slope masses are weak due to preexisting geologic conditions such as _______________.

The volume of soil does not stay constant but instead swells and shrinks.

Clay crystals __________________.

The sum of all the underlying causes can push a slope to the brink of failure,and then an immediate cause may trigger the movement.Triggers for mass movements include ______________.

Natural Disasters and the Human Population

Internal Energy and Plate Tectonics

Earthquake Geology and Seismology

Plate Tectonics and Earthquakes

Earthquakes Throughout the United States and Canada

Volcanic Eruptions: Plate Tectonics and Magmas

Volcano Processes and Deadly Events

Tsunami Versus Wind-Caused Waves

External Energy Fuels Weather and Climate

Tornadoes, Lightning, Heat, and Cold

Hurricanes

Climate Change

Floods

Fire

Coastal Processes and Hazards

Impacts With Space Objects

Filters