Erosion and Deposition Answers

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A rocky hill cracks after water settles and freezes. Several trees on the hill tilt due to the very slow downhill movement of rock and soil. The movement occurs over a long distance.Which type of mass movement does this describe?

A
creep
B
landslide
C
mudflow
D
slump
2
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Which factor influences the mass movement of particles?

A
wind blowing across a body of water
B
addition of vegetation to a slope
C
large rocks and debris on a slope
D
puddle of water resting on flat land
3

Which process works with erosion to break down rock?

A
deposition
B
settling
C
transportation
D
weathering
4

In the cycle that shapes Earth’s surface, which event must happen before erosion can occur?

A
deposition
B
settling
C
transportation
D
weathering
5

Study the image.

Question illustration
A
1
B
2
C
3
D
4
6

Which natural phenomenon can trigger a landslide?

A
intense rain or an earthquake
B
light breezes or a flowing stream
C
heavy snow or continuous sunlight
D
icy conditions or ground surface melting
7

Which event occurs after erosion of Earth’s surface?

A
Surface material breaks down into smaller pieces.
B
Very dense particles settle faster than low-density particles.
C
Large particles are carried away to a new location by ice and glaciers.
D
Round particles form new landforms more slowly than flat particles do.
8

How does the substance in a mudflow form?

A
Rain mixes with soil.
B
Large rocks mix with water.
C
Soil and paper debris are combined.
D
Loosely connected rocks bind together.
9

Sediments are carried from a hilltop to the ground at the bottom of the hill on a windy day. What is the agent of erosion?

A
the hilltop
B
the ground
C
the sediments
D
the wind
10

Which phrase best describes the mass movement of particles?

A
sediment flowing down a slope
B
sediment collecting on an existing surface
C
transporting materials to a new location
D
breaking materials into smaller particles

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