ES Ch 5 1 Of 5 Question Preview (ID: 1102)

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The process that occurs when physical forces break rock into smaller pieces without changing the rock\'s chemical composition is called
a) mechanical weathering
b) erosion
c) chemical weathering
d) differential weathering

Which of the following weathering processes involves the constant freezing and thawing of water?
a) frost wedging
b) spheroidal weathering
c) exfoliation
d) unloading

Whenever the chaaracteristics and chemical composition of weathered materials have been altered, they have undergone
a) chemical weathering
b) frost wedging
c) mass movement
d) mechanical weathering

The chemical weathering of feldspar produces
a) clay minerals
b) calcium carbonate
c) iron oxide
d) quartz

Which of the ffolowing is the result of chemical weathering?
a) a rock that has been changed into one or more new compounds
b) a rock that has lost its outer layers
c) a rock that has been split in two
d) a rock that has been broken into tiny pieces

When water freezes, its volume
a) increases
b) decreases greatly
c) stays the same
d) decreases slightly

What force is responsible for the formation of exfoliation domes?
a) unloading
b) biological activity
c) frost wedging
d) reactions with oxygen

Which of the following is NOT associated with mechanical weathering?
a) reactions with oxygen
b) unloading
c) frost wedging
d) biological activity

The atmospheric gas that forms a mild acid when dissolved in water is
a) carbon dioxide
b) sulfur
c) aluminum
d) oxygen

What would cause the inscription on a marble gravestone to become more difficult to read over time?
a) chemical weathering
b) mecchanical weathering
c) exfoliation
d) frost wedging

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