Question 1

Which of the following best describe the E soil horizon?

Accepted Answer

A)   regolith zone
B)   erosion zone
C)   residual zone
D)   leaching zoneE) A) and C)
F) None of the above

Question 2

From the land surface downward to the unweathered bedrock, which of the following is the correct order of the different soil horizons?

Accepted Answer

A)   0, A, E, B, C, bedrock
B)   A, B, C, D, E, bedrock
C)   E, A, B, C, 0, bedrock
D)   D, E, C, B, A, bedrockE) A) and D)
F) B) and C)

Question 3

Which statement best describes slumping, a mass wasting process?

Accepted Answer

A)   a block or blocks of unconsolidated regolith slide downhill along a curved slip surface
B)   blocks of hard bedrock rapidly slide downhill along fracture surfaces
C)   the soil and regolith move downhill very slowly
D)   a mass of soil or regolith becomes saturated with water and suddenly flows downhill to the base of the slopeE) A) and B)
F) A) and C)

Question 4

All of the following are possible indicators that creep is occurring except for ________.

Accepted Answer

A)   tilted fences or power line poles
B)   an extremely thick soil profile
C)   curved tree trunks
D)   cracks in roads or sidewalksE) A) and D)
F) B) and D)

Question 5

Very fine-grained, iron oxide particles account for nearly all red, yellow, and brown soil colors.

Accepted Answer

A) True 
 B)False

Question 6

Solifluction occurs during the warmer summer months.

Accepted Answer

A) True 
 B)False

Question 7

Slump describes the very slow, downhill movement of soil and regolith.

Accepted Answer

A) True 
 B)False

Question 8

How do freezing, thawing, wetting, and drying contribute to soil creep?

Accepted Answer

A)   The soil becomes much weaker when dry and frozen.
B)   Gravity exerts a much stronger force when the soil is wet and thawed.
C)   The soil expands and contracts, lifting particles and dropping them a slight distance downslope.
D)   Eventually, these cause the soil and regolith to suddenly slide down the slope.E) A) and B)
F) A) and C)

Question 9

What process of mass wasting is illustrated in the diagram below?

Accepted Answer

The answer of What process of mass wasting is illustrated...

Question 10

Quartz weathers readily to aluminum-rich clay minerals.

Accepted Answer

A) True 
 B)False

Question 11

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   frost wedging 
B)   mass wasting 
C)   sheeting 
D)   oxidationE) A) and C)
F) B) and C)

Question 12

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

Accepted Answer

A)   low temperatures; very dry
B)   low temperatures; very moist
C)   high temperatures; very dry
D)   warm temperatures; very moistE) C) and D)
F) A) and B)

Question 13

________ denotes the exposed, crescent-shaped rupture surface at the head of a slump.

Accepted Answer

A)   Scoop
B)   Sole
C)   Toe
D)   ScarpE) All of the above
F) None of the above

Question 14

________ involves the downslope movement of a block or blocks of unconsolidated soil and regolith along a curved, slip surface.

Accepted Answer

The answer of ________ involves the downslope movement of a...

Question 15

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   oxidation 
B)   dissolution 
C)   hydrolysis 
D)   sheetingE) C) and D)
F) None of the above

Question 16

Removal of inorganic soil components from a soil is termed leaching.

Accepted Answer

A) True 
 B)False

Question 17

What is the most abundant, naturally produced, weak acid involved in chemical weathering and soil formation?

Accepted Answer

The answer of What is the most abundant, naturally produced,...

Question 18

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   rockslide 
B)   debris flow 
C)   creep 
D)   slumpE) None of the above
F) A) and B)

Question 19

Which form of chemical weathering specifically affects the iron contained in ferromagnesian, rock-forming, silicate minerals?

Accepted Answer

The answer of Which form of chemical weathering specifically affects...

Question 20

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)   earthquake 
B)   lahar 
C)   liquefaction 
D)   landslideE) A) and C)
F) B) and D)

Exam 4: Weathering, Soil, and Mass Wasting

Solifluction occurs during the warmer summer months.

Correct AnswerverifiedShow Answer

Which of the following best describe the E soil horizon?

Correct AnswerverifiedShow Answer

How do freezing, thawing, wetting, and drying contribute to soil creep?

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

________ involves the downslope movement of a block or blocks of unconsolidated soil and regolith along a curved, slip surface.

Correct AnswerverifiedShow Answer

What is the most abundant, naturally produced, weak acid involved in chemical weathering and soil formation?

Correct AnswerverifiedShow Answer

Which statement best describes slumping, a mass wasting process?

Correct AnswerverifiedShow Answer

Slump describes the very slow, downhill movement of soil and regolith.

Correct AnswerverifiedShow Answer

Removal of inorganic soil components from a soil is termed leaching.

Correct AnswerverifiedShow Answer

________ denotes the exposed, crescent-shaped rupture surface at the head of a slump.

Correct AnswerverifiedShow Answer

Which form of chemical weathering specifically affects the iron contained in ferromagnesian, rock-forming, silicate minerals?

Correct AnswerverifiedShow Answer

What process of mass wasting is illustrated in the diagram below?

Correct AnswerverifiedShow Answer

Quartz weathers readily to aluminum-rich clay minerals.

Correct AnswerverifiedShow Answer

Very fine-grained, iron oxide particles account for nearly all red, yellow, and brown soil colors.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

From the land surface downward to the unweathered bedrock, which of the following is the correct order of the different soil horizons?

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Correct AnswerverifiedShow Answer

All of the following are possible indicators that creep is occurring except for ________.

Correct AnswerverifiedShow Answer

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

Correct AnswerverifiedShow Answer

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