GEOLOGY 1500 TEST #2
QUESTIONS & ANSWERS(GRADED
A+)
Regolith is:
A. broken down rocks produced as a result of frost wedging
B. the process by which rocks are converted to soil
C. fragments of rocks that result from the processes of weathering
D. sedimentary particles that are produced by mechanical weathering
E. a middle eastern spice used for flavoring curry dishes - ANSWERC. fragments of
rocks that result from the processes of weathering
The movement of material by moving wind, water, or ice is a process called
(1)________ whereas the process that breaks down solid rock into loose sediment is
called (2)________.
A. (1)mechanical weathering (2) chemical weathering
B. (1) chemical weathering (2) mechanical weathering
C. (1)erosion (2)weathering
D.(1)weathering (2) erosion
E. (1) mass wasting
(2) regolith - ANSWERC. (1)erosion (2)weathering
Which of the following definitions most accurately pertains to weathering?
A. the physical or chemical breakdown of rock exposed to air, water, and organic
matter
B. the downslope movement of loose material under the influence of gravity
C. the sole process by which regolith becomes soil
D. the movement of sediment by surface processes involving wind, water, and ice
E. none of these statements defines weathering - ANSWERA. the physical or
chemical breakdown of rock exposed to air, water, and organic matter
Weathering is:
A. the break down of solid rocks into regolith by moving water or wind
B. a purely chemical process that allows rocks to break down into soil
C. the physical or chemical break down of rocks into regolith and then soil
D. also called erosion
E. a process that extends to depths of 100s of kilometers into the Eart - ANSWERC.
the physical or chemical break down of rocks into regolith and then soil
,Detrital sedimentary rocks contain small particles of sediment called (1) ______. If
these particles are broken down pieces of rocks, they are called (2) _______.
A. (1) detritus
(2) pebbles
B. (1) detritus
(2) grains
C. (1) clasts
(2) detritus
D. (1) clasts
(2) lithic fragments
E. (1) regolith
(2) clastic fragments - ANSWERD. (1) clasts
(2) lithic fragments
Which of the following is NOT true of frost wedging in rocks?
A. it is also called "freeze and thaw"
B. it is a direct result of water in cracks freezing and expanding by 9% in volume
C. it is a form of mechanical weathering
D. it only occurs in the polar regions on Earth
E. it is responsible for causing blocks of rock to dislodge, forming talus - ANSWERD.
it only occurs in the polar regions on Earth
Frost wedging is:
A. when rocks cool and contract at night causing bits to break off
B. a form of chemical weathering whereby rock minerals dissolve in cold water
C. when moving glacier ice breaks rocks into smaller pieces of regolith
D. when water in cracks in rock freezes and expands, breaking the rock apart
E. when water in soil turns to frost, causing the soil to become frozen - ANSWERD.
when water in cracks in rock freezes and expands, breaking the rock apart
Rocks that are brought to the surface from deep down are said to undergo (1)
_______. Near the surface, the resultant pressure release may cause the rocks to
form (2)_______.
A. (1) exhilaration (2)exfoliates
B. (1) exhumation
(2) sheet joints
C. (1) extension
(2) normal faults
D. (1) existentialism
(2) explosions
E. (1) exfoliation
(2) mountains - ANSWERB. (1) exhumation
(2) sheet joints
, Rocks under high pressures deep inside the crust are sometimes uplifted to the
surface. This process is called (1)_______. The drop in pressure may result in
(2)________.
A. (1) uplift
(2) volcanic eruptions
B.(1)exposure (2) metamorphism of the rocks
C. (1) exhumation
(2) expansion of the rocks, forming sheet joints
D. (1) intrusion
(2) partial melting
E. (1) exfoliation
(2) your ears popping - ANSWERC. (1) exhumation
(2) expansion of the rocks, forming sheet joints
12. Which of the following forms of weathering does NOT involve a mechanical
weathering process?
A. oxidation
B. frost wedging
C. thermal effects
D. unloading
E. biological activity - ANSWERA. oxidation
Which of the following is not associated with the process of mechanical weathering?
A. hydrolysis reactions
B. sheet joints
C. exfoliation
D. frost wedging
E. breakdown of rocks by plant roots - ANSWERA. hydrolysis reactions
Which of the following processes is a chemical weathering phenomenon?
A. frost wedging
B. hydrolysis
C. unloading
D. biological activity
E. spalling - ANSWERB. hydrolysis
Rainwater can mix with CO2 in the atmosphere to form carbonic acid. This can result
in the chemical weathering of rocks because:
A. hydrolysis reactions cause H+ ions in the acid to displace cations in minerals
B. rocks are naturally weak and easily go into solution
C. it is the same as acid rain, which forms wherever CO2 exists in the atmosphere
D. oxidation reactions are produced that turn the rocks into red soil
E. all rocks contain feldspar, which breaks down into clay - ANSWERA. hydrolysis
reactions cause H+ ions in the acid to displace cations in minerals
QUESTIONS & ANSWERS(GRADED
A+)
Regolith is:
A. broken down rocks produced as a result of frost wedging
B. the process by which rocks are converted to soil
C. fragments of rocks that result from the processes of weathering
D. sedimentary particles that are produced by mechanical weathering
E. a middle eastern spice used for flavoring curry dishes - ANSWERC. fragments of
rocks that result from the processes of weathering
The movement of material by moving wind, water, or ice is a process called
(1)________ whereas the process that breaks down solid rock into loose sediment is
called (2)________.
A. (1)mechanical weathering (2) chemical weathering
B. (1) chemical weathering (2) mechanical weathering
C. (1)erosion (2)weathering
D.(1)weathering (2) erosion
E. (1) mass wasting
(2) regolith - ANSWERC. (1)erosion (2)weathering
Which of the following definitions most accurately pertains to weathering?
A. the physical or chemical breakdown of rock exposed to air, water, and organic
matter
B. the downslope movement of loose material under the influence of gravity
C. the sole process by which regolith becomes soil
D. the movement of sediment by surface processes involving wind, water, and ice
E. none of these statements defines weathering - ANSWERA. the physical or
chemical breakdown of rock exposed to air, water, and organic matter
Weathering is:
A. the break down of solid rocks into regolith by moving water or wind
B. a purely chemical process that allows rocks to break down into soil
C. the physical or chemical break down of rocks into regolith and then soil
D. also called erosion
E. a process that extends to depths of 100s of kilometers into the Eart - ANSWERC.
the physical or chemical break down of rocks into regolith and then soil
,Detrital sedimentary rocks contain small particles of sediment called (1) ______. If
these particles are broken down pieces of rocks, they are called (2) _______.
A. (1) detritus
(2) pebbles
B. (1) detritus
(2) grains
C. (1) clasts
(2) detritus
D. (1) clasts
(2) lithic fragments
E. (1) regolith
(2) clastic fragments - ANSWERD. (1) clasts
(2) lithic fragments
Which of the following is NOT true of frost wedging in rocks?
A. it is also called "freeze and thaw"
B. it is a direct result of water in cracks freezing and expanding by 9% in volume
C. it is a form of mechanical weathering
D. it only occurs in the polar regions on Earth
E. it is responsible for causing blocks of rock to dislodge, forming talus - ANSWERD.
it only occurs in the polar regions on Earth
Frost wedging is:
A. when rocks cool and contract at night causing bits to break off
B. a form of chemical weathering whereby rock minerals dissolve in cold water
C. when moving glacier ice breaks rocks into smaller pieces of regolith
D. when water in cracks in rock freezes and expands, breaking the rock apart
E. when water in soil turns to frost, causing the soil to become frozen - ANSWERD.
when water in cracks in rock freezes and expands, breaking the rock apart
Rocks that are brought to the surface from deep down are said to undergo (1)
_______. Near the surface, the resultant pressure release may cause the rocks to
form (2)_______.
A. (1) exhilaration (2)exfoliates
B. (1) exhumation
(2) sheet joints
C. (1) extension
(2) normal faults
D. (1) existentialism
(2) explosions
E. (1) exfoliation
(2) mountains - ANSWERB. (1) exhumation
(2) sheet joints
, Rocks under high pressures deep inside the crust are sometimes uplifted to the
surface. This process is called (1)_______. The drop in pressure may result in
(2)________.
A. (1) uplift
(2) volcanic eruptions
B.(1)exposure (2) metamorphism of the rocks
C. (1) exhumation
(2) expansion of the rocks, forming sheet joints
D. (1) intrusion
(2) partial melting
E. (1) exfoliation
(2) your ears popping - ANSWERC. (1) exhumation
(2) expansion of the rocks, forming sheet joints
12. Which of the following forms of weathering does NOT involve a mechanical
weathering process?
A. oxidation
B. frost wedging
C. thermal effects
D. unloading
E. biological activity - ANSWERA. oxidation
Which of the following is not associated with the process of mechanical weathering?
A. hydrolysis reactions
B. sheet joints
C. exfoliation
D. frost wedging
E. breakdown of rocks by plant roots - ANSWERA. hydrolysis reactions
Which of the following processes is a chemical weathering phenomenon?
A. frost wedging
B. hydrolysis
C. unloading
D. biological activity
E. spalling - ANSWERB. hydrolysis
Rainwater can mix with CO2 in the atmosphere to form carbonic acid. This can result
in the chemical weathering of rocks because:
A. hydrolysis reactions cause H+ ions in the acid to displace cations in minerals
B. rocks are naturally weak and easily go into solution
C. it is the same as acid rain, which forms wherever CO2 exists in the atmosphere
D. oxidation reactions are produced that turn the rocks into red soil
E. all rocks contain feldspar, which breaks down into clay - ANSWERA. hydrolysis
reactions cause H+ ions in the acid to displace cations in minerals
