Question 1

No matter where you go, which of the following is almost certainly acting on the landscape around you?

Accepted Answer

A)  landslides 
B)  solifluction 
C)  mudflow 
D)  creep 
E)  rock glaciers 
A)  landslides 
B)  solifluction 
C)  mudflow 
D)  creep 
E)  rock glaciers D

Question 2

Which of the following is most effective in weathering rock?

Accepted Answer

A)  salt wedging 
B)  daily heating and cooling 
C)  fire 
D)  freeze/thaw cycles 
E)  plant roots 
A)  salt wedging 
B)  daily heating and cooling 
C)  fire 
D)  freeze/thaw cycles 
E)  plant roots D

Question 3

Water is a major agent of weathering because of its property that, when it freezes, it decreases in density and ________.

Accepted Answer

A)  evaporates 
B)  turns white 
C)  expands in volume 
D)  stays in liquid form below 0°Celsius 
E)  turns acidic 
A)  evaporates 
B)  turns white 
C)  expands in volume 
D)  stays in liquid form below 0°Celsius 
E)  turns acidic C

Question 4

Any downward movement of broken rocks owing to gravity is called mass wasting.

Accepted Answer

A) True 
 B)False

Question 5

Clays which change to a near-liquid state as a result of sudden disturbance are ________ clays.

Accepted Answer

A)  mudflow 
B)  scree 
C)  talus 
D)  quick 
E)  sandy 
A)  mudflow 
B)  scree 
C)  talus 
D)  quick 
E)  sandy

Question 6

Salt wedging is a weathering process which is unimportant in humid regions.

Accepted Answer

A) True 
 B)False

Question 7

Large ________ extend for considerable distances and depths through rock. Below the surface, there is minimal separation between the blocks on either side.

Accepted Answer

A)  vesicles 
B)  master joints 
C)  solution cavities 
D)  glory holes 
E)  faults 
A)  vesicles 
B)  master joints 
C)  solution cavities 
D)  glory holes 
E)  faults

Question 8

The main chemical weathering processes all take place more or less simultaneously because they all require the presence of ________.

Accepted Answer

A)  water 
B)  air 
C)  hydrogen 
D)  plants 
E)  salt crystal growth 
A)  water 
B)  air 
C)  hydrogen 
D)  plants 
E)  salt crystal growth

Question 9

Denudation is NOT closely related to ________.

Accepted Answer

A)  erosion 
B)  mass wasting 
C)  atmospheric weathering 
D)  biologic weathering 
E)  internal processes 
A)  erosion 
B)  mass wasting 
C)  atmospheric weathering 
D)  biologic weathering 
E)  internal processes

Question 10

Which of the following is NOT closely related to jointing?

Accepted Answer

A)  Zion Canyon National Park, Utah 
B)  ease of percolation of water into rock 
C)  vesicles 
D)  contraction of sediments after they dry out 
E)  horizontal and vertical orientation 
A)  Zion Canyon National Park, Utah 
B)  ease of percolation of water into rock 
C)  vesicles 
D)  contraction of sediments after they dry out 
E)  horizontal and vertical orientation

Question 11

The "active layer" of permafrost must melt for solifluction to occur.

Accepted Answer

A) True 
 B)False

Question 12

Joints and solution cavities are different names for the same feature.

Accepted Answer

A) True 
 B)False

Question 13

________ might happen directly as the result of the removal of an overlying weight from the landscape.

Accepted Answer

A)  Hydrolysis 
B)  Mass wasting 
C)  A slump 
D)  Exfoliation 
E)  Soil creep 
A)  Hydrolysis 
B)  Mass wasting 
C)  A slump 
D)  Exfoliation 
E)  Soil creep

Question 14

The process of creep works ________.

Accepted Answer

A)  only in the tropics 
B)  only in the tundra 
C)  only in the mountains 
D)  only in deserts 
E)  universally 
A)  only in the tropics 
B)  only in the tundra 
C)  only in the mountains 
D)  only in deserts 
E)  universally

Question 15

Brush fires and forest fires speed the process of mechanical weathering.

Accepted Answer

A) True 
 B)False

Question 16

When fragments deposited by mass movement are at the ________, they are in a fine balance between the pull of gravity and the cohesion and friction of the rock material.

Accepted Answer

A)  angle of repose 
B)  top of the hill 
C)  bottom of the talus slope 
D)  terminal velocity 
E)  size of clay 
A)  angle of repose 
B)  top of the hill 
C)  bottom of the talus slope 
D)  terminal velocity 
E)  size of clay

Question 17

Rock glaciers form on flat surfaces.

Accepted Answer

A) True 
 B)False

Question 18

As water freezes it expands almost ________ percent and is able to mechanically weather rock.

Accepted Answer

A)  1 
B)  10 
C)  50 
D)  75 
E)  100 
A)  1 
B)  10 
C)  50 
D)  75 
E)  100

Question 19

If no water is involved, rocks can mechanically weather if they undergo ________ temperature change cycles.

Accepted Answer

A)  two 
B)  a dozen 
C)  hundreds of 
D)  thousands of 
E)  millions of 
A)  two 
B)  a dozen 
C)  hundreds of 
D)  thousands of 
E)  millions of

Question 20

Explain how salt wedging and frost wedging are alike and unalike.

Accepted Answer

They are both forms of mechanical weathe

No matter where you go, which of the following is almost certainly acting on the landscape around you?

Which of the following is most effective in weathering rock?

Water is a major agent of weathering because of its property that, when it freezes, it decreases in density and ________.

Any downward movement of broken rocks owing to gravity is called mass wasting.

Clays which change to a near-liquid state as a result of sudden disturbance are ________ clays.

Salt wedging is a weathering process which is unimportant in humid regions.

Large ________ extend for considerable distances and depths through rock. Below the surface, there is minimal separation between the blocks on either side.

The main chemical weathering processes all take place more or less simultaneously because they all require the presence of ________.

Denudation is NOT closely related to ________.

Which of the following is NOT closely related to jointing?

The "active layer" of permafrost must melt for solifluction to occur.

Joints and solution cavities are different names for the same feature.

________ might happen directly as the result of the removal of an overlying weight from the landscape.

The process of creep works ________.

Brush fires and forest fires speed the process of mechanical weathering.

When fragments deposited by mass movement are at the ________, they are in a fine balance between the pull of gravity and the cohesion and friction of the rock material.

Rock glaciers form on flat surfaces.

As water freezes it expands almost ________ percent and is able to mechanically weather rock.

If no water is involved, rocks can mechanically weather if they undergo ________ temperature change cycles.

Explain how salt wedging and frost wedging are alike and unalike.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters

Exam 15: Preliminaries to Weathering: Mass Wasting and Erosion

No matter where you go, which of the following is almost certainly acting on the landscape around you?

Which of the following is most effective in weathering rock?

Water is a major agent of weathering because of its property that, when it freezes, it decreases in density and ________.

Any downward movement of broken rocks owing to gravity is called mass wasting.

Clays which change to a near-liquid state as a result of sudden disturbance are ________ clays.

Salt wedging is a weathering process which is unimportant in humid regions.

Large ________ extend for considerable distances and depths through rock. Below the surface, there is minimal separation between the blocks on either side.

The main chemical weathering processes all take place more or less simultaneously because they all require the presence of ________.

Denudation is NOT closely related to ________.

Which of the following is NOT closely related to jointing?

The "active layer" of permafrost must melt for solifluction to occur.

Joints and solution cavities are different names for the same feature.

________ might happen directly as the result of the removal of an overlying weight from the landscape.

The process of creep works ________.

Brush fires and forest fires speed the process of mechanical weathering.

When fragments deposited by mass movement are at the ________, they are in a fine balance between the pull of gravity and the cohesion and friction of the rock material.

Rock glaciers form on flat surfaces.

As water freezes it expands almost ________ percent and is able to mechanically weather rock.

If no water is involved, rocks can mechanically weather if they undergo ________ temperature change cycles.

Explain how salt wedging and frost wedging are alike and unalike.

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Atmospheric Disturbances

Climate and Climate Change

The Hydrosphere

Cycles and Patterns of the Biosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Fluvial Processes

Karst and Hydrothermal Processes

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters