Weathering and Erosion Answers

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Which of the following is an example of chemical weathering?

A
waves washing over rocks on the beach
B
acid rain falling on sidewalks
C
ice forming in the cracks of rocks
D
wind blowing against rocks
3

Which of the following statements about artificial erosion is true?

A
Artificial erosion can occur 100 times faster than natural erosion.
B
Farming practices do not contribute to artificial erosion.
C
Artificial erosion causes a loss of fertile soil.
D
Artificial erosion is only caused by recreational activities.
4

most likely

g
grassland
f
forest
c
coastline
r
rainforest
6

How is chemical weathering different from physical weathering?

A
Physical weathering involves the movement of substances while chemical weathering does not.
B
Chemical weathering occurs through human action while physical weathering occurs naturally.
C
Physical weathering is mechanical breakdown, while chemical weathering involves the chemical breakdown of substances.
D
Chemical weathering causes less drastic changes than physical weathering.
7

Which of the following is characteristic of both weathering and erosion?

A
occurs naturally
B
caused by burrowing animals
C
occurs with movement
D
caused by the pull of gravity
8

When rocks are broken down by heat and pressure, chemical weathering has taken place.

A
T
B
F
9

Which of the following is a result of natural erosion?

A
desert sands
B
lost seed germination
C
widened valleys
D
all of the above
10

Which of the following is not a possible cause of erosion?

A
burrowing animals
B
gravity
C
water
D
none of the above
11

Which of the following statements about erosion is true?

A
Erosion occurs as a result of drastic changes in temperature.
B
Erosion occurs when wind or water moves over sediment, soil, or rocks.
C
Physical and chemical are the two types of erosion.
D
Movement is not required for erosion to take place.
12

Which is an example of natural erosion?

A
ice forming in cracks of rocks
B
acid rain falling on sidewalks
C
waves washing over rocks on the beach
D
water washing away soil in an area with off-road vehicles
13

Using off-road vehicles does not contribute to the process of erosion.

A
T
B
F
14

Erosion occurs based on the movement of water, wind, or ice over a surface and typically moves on the downward-creep slope because of

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