AnswersWV-Earth and Space Science A-CRVolcanoes and Plate Tectonics

Weathering Answers

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1
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Please select the word from the list that best fits the definition

A
rust
B
mountain peak
C
horizons
D
surface area
2
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Ice wedging is a form of chemical weathering.

A
T
B
F
3

Mechanical weathering ____.

A
breaks apart rocks by physical processes
B
occurs when chemical reactions dissolve or change the minerals in rocks
C
occurs when iron is exposed to oxygen and water
D
none of the above
5

Ice wedging is brought about by ____.

A
carbonic acid freezing on rocks
B
water and oxygen reacting
C
water freezing and thawing
D
rocks colliding with each other
6

What material will oxidize when it is exposed to oxygen and water?

A
stone
B
metal
C
plastic
D
plants
7

The difference between mechanical and chemical weathering is ____.

A
the length of time each takes to break up a rock
B
that only chemical weathering involves water
C
the way they affect the makeup of a rock
D
all of the above
8

Which of the following is NOT an example of chemical weathering?

A
natural plant acid breaking down a rock
B
acid rain deteriorating a marble statue
C
oxidation of metals
D
ice wedging in rock
9

Chemical weathering is probably faster along the Amazon River than in the Himalayas.

A
T
B
F
10

All of the following cause mechanical weathering EXCEPT ____.

A
ice
B
tree roots
C
burrowing animals
D
carbonic acid

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