Water and Wind Erosion — Unit test Answers

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1
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Which rocks will likely weather the least?

A
rocks that are soft
B
rocks with a porous surface
C
rocks that are in a dry climate
D
rocks with minerals that dissolve easily
2
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Which action would best help prevent groundwater erosion?

A
using breakwaters
B
packing down soil
C
building drains with outlets
D
increasing the slopes of riverbanks
4

Which process involves wind moving loose sediment?

A
abrasion
B
deflation
C
impact
D
plucking
5

Which event can cause slumps, landslides, and mudflows to occur?

A
earthquakes
B
hurricanes
C
snowfalls
D
thunderstorms
7

Which event occurs after Earth’s surface experiences weathering?

A
Wind carries sediments to a new location.
B
Ice forms cracks in large rocks.
C
Moving water breaks sediments into pieces.
D
Surface materials wear down into sediment.
9

Which describes bedrock?

A
consists of solid rock
B
lies directly above the soil layer
C
does not contain weathered rock
D
forms from decomposed material
10

How do oxbow lakes form?

A
Rivers are dammed, and the water builds up, creating a lake.
B
Runoff pools in areas of low elevation, creating a temporary lake.
C
Rivers wear away banks until the bank is broken and the river flows straight.
D
Glaciers leave deep channels in the ground, which fill with water and become a lake.
11

Which correctly lists the three types of rock particles that make up soil?

A
air, clay, and sand
B
clay, water, and silt
C
sand, clay, and silt
D
silt, water, and air
12

Which term describes erosion?

A
creates small particles
B
hardens rock fragments
C
transports solid materials
D
dissolves rock components

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Water and Wind Erosion — Unit test Answers — SS4…