Question 1

When rock is broken down and disintegrated without any chemical alterations,the process in operation is

Accepted Answer

A)  physical weathering.
B)  chemical weathering.
C)  hydrolysis.
D)  carbonation.
E)  erosion.F) B) and E)
G) A) and E)

Question 2

When rainwater attacks formations of limestone,the minerals dissolve and wash away with the mildly acid rainwater.This is an example of

Accepted Answer

A)  oxidation.
B)  crystallization.
C)  frost action.
D)  carbonation.
E)  hydration.F) B) and D)
G) D) and E)

Question 3

Chemical weathering that softens and rounds the sharp edges and corners of jointed rock is known as

Accepted Answer

A)  spheroidal weathering.
B)  exfoliation.
C)  hydration.
D)  hydrolysis.
E)  thermal expansion.F) C) and E)
G) A) and B)

Question 4

____occurs as rock surfaces heated by the Sun during the day expand slightly,and then contract with nighttime cooling.

Accepted Answer

A)  Exfoliation
B)  Thermal expansion
C)  Frost wedging
D)  Salt-crystal growth
E)  HydrolysisF) None of the above
G) B) and D)

Question 5

After a threshold is crossed,the landscape

Accepted Answer

A)  remains unstable thereafter.
B)  adjusts to a new equilibrium condition.
C)  looks identical to the landscape that existed prior to the crossing of the threshold.
D)  returns to the conditions that existed prior to the crossing the threshold.
E)  is stable as before because landscapes do not cross thresholds.F) D) and E)
G) A) and B)

Question 6

In what ways can water be involved in physical and chemical weathering processes?

Accepted Answer

Water is an important component of both ...

Question 7

Because the climate of a region slowly changes and tectonic adjustments slowly occur,the landscape

Accepted Answer

A)  is constantly at a threshold condition.
B)  is continuously adjusting to new conditions that develop.
C)  is usually in a state of stable equilibrium.
D)  is constantly at a threshold,continuously adjusting,and in a state of dynamic equilibrium.
E)  is continuously adjusting,and in a state of dynamic equilibrium,but not constantly at a threshold.F) C) and E)
G) B) and C)

Question 8

Any large cave formed by chemical processes is a

Accepted Answer

A)  cavern.
B)  doline.
C)  karst valley.
D)  collapse sinkhole.
E)  stalagmite.F) C) and D)
G) D) and E)

Question 9

Describe the forces acting on a slope,and also the various physical aspects of a slope,such as waxing slope and debris slope.

Accepted Answer

Slopes are curved,inclined surfaces that...

Question 10

Discuss the formation and characteristics of karst and examine the various types of karst topography and associated landforms.

Accepted Answer

In order for limestone to develop into k...

Question 11

All processes that cause reduction and rearrangement of landforms are included in the term

Accepted Answer

A)  mass movement.
B)  erosion.
C)  weathering.
D)  denudation.
E)  evisceration.F) A) and E)
G) C) and E)

Question 12

Rocks of the same composition and structure found in the same area may have weathered at uneven rates due to a variety of factors.This is known as

Accepted Answer

A)  angle of repose.
B)  jointing.
C)  inertial resistance.
D)  denudation.
E)  differential weathering.F) A) and B)
G) A) and E)

Question 13

Exfoliation occurs because

Accepted Answer

A)  water combines with minerals and increases their size,thereby causing surrounding minerals to expand.
B)  water freezes in joints and expands.
C)  overlying rock is removed,thereby allowing the underlying rock mass to expand and fracture.
D)  evaporated water leaves behind previously dissolved mineral to form crystals,which accumulate and grow over time,exerting pressure on the rock.
E)  rock minerals react with carbonic acids in rain,causing weathering to occur.F) B) and E)
G) D) and E)

Question 14

If material is to move downslope,it must overcome the force of

Accepted Answer

A)  friction.
B)  the cohesion of particles to each other.
C)  inertial resistance of the material.
D)  both friction and inertial resistance.
E)  friction,cohesion of particles,and inertial resistance.F) C) and E)
G) A) and D)

Question 15

A rotational slide (slump) involves

Accepted Answer

A)  movement of surface material along a concave surface.
B)  movement of surface material along a planar surface.
C)  unconsolidated flow of material.
D)  a slurry of unconsolidated materials moving downslope.
E)  detachment and rapid downward movement of a volume by gravity.F) None of the above
G) B) and E)

Question 16

A mass of falling and tumbling rock,debris,and soil traveling at a high velocity owing to the presence of ice or water is a

Accepted Answer

A)  rockfall.
B)  mudflow.
C)  debris avalanche.
D)  landslide.
E)  lahar.F) A) and E)
G) A) and D)

Question 17

When the upper surface of consolidated rock undergoes constant weathering,it creates broken-up rock called

Accepted Answer

A)  bedrock.
B)  regolith.
C)  parent material.
D)  outcrop.
E)  angle of repose.F) B) and E)
G) A) and D)

Question 18

A sinkhole that develops over a period of hours or days and forms from a collapse through the roof of an underground cavern is known as a

Accepted Answer

A)  solution sinkhole.
B)  collapse sinkhole.
C)  doline.
D)  karst valley.
E)  karst tower.F) A) and B)
G) C) and D)

Question 19

List and describe anthropogenic mass movement.

Accepted Answer

Any human disturbance of a slope can has...

Question 20

Which of the following human activities can contribute to mass movement?

Accepted Answer

A)  a road cut only
B)  surface mining only
C)  residential development only
D)  commercial development only
E)  any human disturbance of a slope,including road cuts,surface mining,and developmentF) A) and B)
G) A) and C)

Exam 13: Weathering, Karst Landscapes, and Mass Movement

Describe the forces acting on a slope,and also the various physical aspects of a slope,such as waxing slope and debris slope.

Correct AnswerverifiedSlopes are curved,inclined surfaces that...View AnswerShow Answer

A sinkhole that develops over a period of hours or days and forms from a collapse through the roof of an underground cavern is known as a

Correct AnswerverifiedShow Answer

When rock is broken down and disintegrated without any chemical alterations,the process in operation is

Correct AnswerverifiedShow Answer

____occurs as rock surfaces heated by the Sun during the day expand slightly,and then contract with nighttime cooling.

Correct AnswerverifiedShow Answer

Discuss the formation and characteristics of karst and examine the various types of karst topography and associated landforms.

Correct AnswerverifiedIn order for limestone to develop into k...View AnswerShow Answer

After a threshold is crossed,the landscape

Correct AnswerverifiedShow Answer

A mass of falling and tumbling rock,debris,and soil traveling at a high velocity owing to the presence of ice or water is a

Correct AnswerverifiedShow Answer

Exfoliation occurs because

Correct AnswerverifiedShow Answer

Any large cave formed by chemical processes is a

Correct AnswerverifiedShow Answer

Chemical weathering that softens and rounds the sharp edges and corners of jointed rock is known as

Correct AnswerverifiedShow Answer

A rotational slide (slump) involves

Correct AnswerverifiedShow Answer

If material is to move downslope,it must overcome the force of

Correct AnswerverifiedShow Answer

List and describe anthropogenic mass movement.

Correct AnswerverifiedAny human disturbance of a slope can has...View AnswerShow Answer

When rainwater attacks formations of limestone,the minerals dissolve and wash away with the mildly acid rainwater.This is an example of

Correct AnswerverifiedShow Answer

Which of the following human activities can contribute to mass movement?

Correct AnswerverifiedShow Answer

All processes that cause reduction and rearrangement of landforms are included in the term

Correct AnswerverifiedShow Answer

When the upper surface of consolidated rock undergoes constant weathering,it creates broken-up rock called

Correct AnswerverifiedShow Answer

Rocks of the same composition and structure found in the same area may have weathered at uneven rates due to a variety of factors.This is known as

Correct AnswerverifiedShow Answer

In what ways can water be involved in physical and chemical weathering processes?

Correct AnswerverifiedWater is an important component of both ...View AnswerShow Answer

Because the climate of a region slowly changes and tectonic adjustments slowly occur,the landscape

Correct AnswerverifiedShow Answer

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Slopes are curved,inclined surfaces that...
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In order for limestone to develop into k...
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Correct Answer
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Correct Answer
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Any human disturbance of a slope can has...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Water is an important component of both ...
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