Deck 36: Weathering Processes

Question 1

Weathering is the:

A) formation of larger landforms through natural processes
B) deposition of rocks and mineral particles
C) breakdown of rocks and minerals into smaller particles
D) transportation of rocks and minerals

Answer 1

C

Question 2

Chemical weathering is more active in ____climates.

A) cold, dry
B) cold, wet
C) warm, wet
D) warm, dry

Answer 2

C

Question 3

Freeze-thaw mechanical weathering can occur year-round in ____ environments.

A) arid
B) high altitudes, such as mountain
C) desert
D) coastal

Answer 3

B

Question 4

Exfoliation is a type of mechanical weathering that occurs on:

A) granitic rocks
B) sedimentary rocks
C) layered rocks
D) metamorphic rocks

Question 5

What type of weathering is associated with the freezing of water in the joints of rocks?

A) mechanical weathering
B) chemical weathering
C) biological weathering
D) all of the above
E) none of the above

Question 6

Fragments that accumulate near their original location can form:

A) ice sheets
B) blockfields
C) talus
D) both (b) and (c)

Question 7

What is weathering's role in the rock cycle?

A) it transports sediments
B) it breaks down rocks into sediments
C) it solidifies sediments into sedimentary rocks
D) it metamorphoses, or changes, rocks

Question 8

Which of these is NOT a form of mechanical weathering?

A) oxidation
B) exfoliation
C) thermal expansion
D) frost action

Question 9

The growth of _____ crystals in arid regions has similar effects on rocks as do frost action in cold regions.

A) snow
B) quartz
C) salt
D) ice

Question 10

Of the minerals listed, which is the most resistant to chemical weathering?

A) calcium carbonates in limestone
B) feldspars
C) hornblende
D) quartz

Question 11

Most chemical weathering involves:

A) carbon dioxide
B) water
C) salts
D) air or oxidation

Question 12

The formation of underground caverns occurs through the ____ process.

A) carbonation
B) oxidation
C) hydroxation
D) soil emulsification

Question 13

Most intense chemical weathering occurs in _____.

A) cold areas
B) arid areas
C) along coasts
D) humid, tropical areas

Question 14

When iron-bearing silicate minerals are broken down by weathering, the iron through oxidation produces a:

A) dark brown or black colored rock or soil
B) light gray colored rock
C) reddish-brown or orange colored rock
D) white or silvery rock