Question 1

Slopes that have been cleared of native grasses and other vegetation become more stable.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is the slowest mass wasting process?

Accepted Answer

A)  Avalanche 
B)  Slump 
C)  Creep 
D)  Earth flow 
E)  Fall 
A)  Avalanche 
B)  Slump 
C)  Creep 
D)  Earth flow 
E)  Fall

Question 3

Slumps are the only form of mass wasting that are not triggered by excess water.

Accepted Answer

A) True 
 B)False

Question 4

Which area of the U.S. has a highest incidence of landslide activity?

Accepted Answer

A)  Appalachian Mountains 
B)  Atlantic coastal area 
C)  Gulf of Mexico coastal area 
D)  Midwest 
A)  Appalachian Mountains 
B)  Atlantic coastal area 
C)  Gulf of Mexico coastal area 
D)  Midwest

Question 5

If you see a concrete wall with several drain holes through it on the side of a roadway, what is its purpose?

Accepted Answer

A)  To collect rocks from rock falls 
B)  Support the base of the slope 
C)  Provide extra weight on the slope 
D)  Cushion the slope from potential collisions with cars 
A)  To collect rocks from rock falls 
B)  Support the base of the slope 
C)  Provide extra weight on the slope 
D)  Cushion the slope from potential collisions with cars

Question 6

Which of the following statements is FALSE about snow avalanches?

Accepted Answer

A)  Snow avalanches are very rare and seldom cause death. 
B)  Snow avalanches can be caused by people. 
C)  The incidence of snow avalanches depends on the temperature of the snow. 
D)  Snow avalanches tend to follow the same paths. 
E)  Snow avalanches require steep slopes of 25° or more. 
A)  Snow avalanches are very rare and seldom cause death. 
B)  Snow avalanches can be caused by people. 
C)  The incidence of snow avalanches depends on the temperature of the snow. 
D)  Snow avalanches tend to follow the same paths. 
E)  Snow avalanches require steep slopes of 25° or more.

Question 7

Which of the following human activities can DECREASE the incidence of mass wasting?

Accepted Answer

A)  Grading surfaces to increase the slope 
B)  Improving drainage from the slope 
C)  Removing vegetation such as trees and grass from the slope 
D)  Cutting out a section at the base of a slope to build houses 
E)  Building a road on a slope 
A)  Grading surfaces to increase the slope 
B)  Improving drainage from the slope 
C)  Removing vegetation such as trees and grass from the slope 
D)  Cutting out a section at the base of a slope to build houses 
E)  Building a road on a slope

Question 8

Which of the following is NOT a normal purpose of a landslide hazard map of an area?

Accepted Answer

A)  Communities could use it to decide where to place critical facilities. 
B)  Communities could use it to decide where to place drains or supports. 
C)  Communities could use it to decide where to build new homes or businesses. 
D)  Individuals could use it to decide where to purchase a new home. 
E)  Individuals could use it to decide where their family should meet after a landslide disaster. 
A)  Communities could use it to decide where to place critical facilities. 
B)  Communities could use it to decide where to place drains or supports. 
C)  Communities could use it to decide where to build new homes or businesses. 
D)  Individuals could use it to decide where to purchase a new home. 
E)  Individuals could use it to decide where their family should meet after a landslide disaster.

Question 9

Which of the following is NOT a way in which water contributes to slope failure?

Accepted Answer

A)  Water adds cohesion between the grains of the soil causing it to become unstable. 
B)  Water adds weight to a slope increasing the driving force. 
C)  Water can erode the base of a slope decreasing stability. 
D)  Water can mix with the soil causing debris flows. 
E)  Water can infiltrate slopes causing slumps. 
A)  Water adds cohesion between the grains of the soil causing it to become unstable. 
B)  Water adds weight to a slope increasing the driving force. 
C)  Water can erode the base of a slope decreasing stability. 
D)  Water can mix with the soil causing debris flows. 
E)  Water can infiltrate slopes causing slumps.

Question 10

All non-horizontal slopes have potential for mass wasting of some type.

Accepted Answer

A) True 
 B)False

Question 11

People can stabilize a slope through increased drainage and slope supports.

Accepted Answer

A) True 
 B)False

Question 12

In buying a house, why should you be wary of tilted telephone poles?

Accepted Answer

A)  It is a sign of debris flows. 
B)  It is a sign of rock falls. 
C)  It is a sign of avalanches. 
D)  It is a sign of landslides. 
E)  It is a sign of creep. 
A)  It is a sign of debris flows. 
B)  It is a sign of rock falls. 
C)  It is a sign of avalanches. 
D)  It is a sign of landslides. 
E)  It is a sign of creep.

Question 13

Building homes on a slope can increase the mass on the slope and the potential for landslides.

Accepted Answer

A) True 
 B)False

Question 14

There is no way to prepare for a landslide because you never know where a landslide will occur.

Accepted Answer

A) True 
 B)False

Question 15

The type of mass wasting process that occurs depends on many different factors including the steepness of the slope and the type of material involved.

Accepted Answer

A) True 
 B)False

Question 16

Explain the role of climate in the stability of slopes.

Accepted Answer

The type of climate influences the amoun

Question 17

One indication of a rock fall is an accumulation of rocks at the base of a cliff.

Accepted Answer

A) True 
 B)False

Question 18

What is "grading" as it pertains to the stability of a slope?

Accepted Answer

A)  A classification of how likely a slope is to slide 
B)  The greatest slope that a material can be stable at 
C)  A classification of the material in the slope 
D)  Human-induced changes in the slope angle to make it more or less steep 
E)  A measure of the maximum weight a slope can hold 
A)  A classification of how likely a slope is to slide 
B)  The greatest slope that a material can be stable at 
C)  A classification of the material in the slope 
D)  Human-induced changes in the slope angle to make it more or less steep 
E)  A measure of the maximum weight a slope can hold

Question 19

In which location would you expect to have the most landslides? For each area, assume the total amount of rain per year is identical.

Accepted Answer

A)  Mountains with very light rain showers every day 
B)  Mountains with heavy rainstorms followed by long dry periods 
C)  Plains with very light rain showers every day 
D)  Plains with heavy rainstorms followed by long dry periods 
A)  Mountains with very light rain showers every day 
B)  Mountains with heavy rainstorms followed by long dry periods 
C)  Plains with very light rain showers every day 
D)  Plains with heavy rainstorms followed by long dry periods

Question 20

In purchasing a house, some steps can be taken to determine whether it is susceptible to a landslide hazard.

Accepted Answer

A) True 
 B)False

Slopes that have been cleared of native grasses and other vegetation become more stable.

Which of the following is the slowest mass wasting process?

Slumps are the only form of mass wasting that are not triggered by excess water.

Which area of the U.S. has a highest incidence of landslide activity?

If you see a concrete wall with several drain holes through it on the side of a roadway, what is its purpose?

Which of the following statements is FALSE about snow avalanches?

Which of the following human activities can DECREASE the incidence of mass wasting?

Which of the following is NOT a normal purpose of a landslide hazard map of an area?

Which of the following is NOT a way in which water contributes to slope failure?

All non-horizontal slopes have potential for mass wasting of some type.

People can stabilize a slope through increased drainage and slope supports.

In buying a house, why should you be wary of tilted telephone poles?

Building homes on a slope can increase the mass on the slope and the potential for landslides.

There is no way to prepare for a landslide because you never know where a landslide will occur.

The type of mass wasting process that occurs depends on many different factors including the steepness of the slope and the type of material involved.

Explain the role of climate in the stability of slopes.

One indication of a rock fall is an accumulation of rocks at the base of a cliff.

What is "grading" as it pertains to the stability of a slope?

In which location would you expect to have the most landslides? For each area, assume the total amount of rain per year is identical.

In purchasing a house, some steps can be taken to determine whether it is susceptible to a landslide hazard.

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Flooding

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters

Exam 7: Mass Wasting

Slopes that have been cleared of native grasses and other vegetation become more stable.

Which of the following is the slowest mass wasting process?

Slumps are the only form of mass wasting that are not triggered by excess water.

Which area of the U.S. has a highest incidence of landslide activity?

If you see a concrete wall with several drain holes through it on the side of a roadway, what is its purpose?

Which of the following statements is FALSE about snow avalanches?

Which of the following human activities can DECREASE the incidence of mass wasting?

Which of the following is NOT a normal purpose of a landslide hazard map of an area?

Which of the following is NOT a way in which water contributes to slope failure?

All non-horizontal slopes have potential for mass wasting of some type.

People can stabilize a slope through increased drainage and slope supports.

In buying a house, why should you be wary of tilted telephone poles?

Building homes on a slope can increase the mass on the slope and the potential for landslides.

There is no way to prepare for a landslide because you never know where a landslide will occur.

The type of mass wasting process that occurs depends on many different factors including the steepness of the slope and the type of material involved.

Explain the role of climate in the stability of slopes.

One indication of a rock fall is an accumulation of rocks at the base of a cliff.

What is "grading" as it pertains to the stability of a slope?

In which location would you expect to have the most landslides? For each area, assume the total amount of rain per year is identical.

In purchasing a house, some steps can be taken to determine whether it is susceptible to a landslide hazard.

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Flooding

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters