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Weathering And Erosion
Test Description: Chapter 8-9 Test review
Instructions: Answer all questions to get your test result.
1) Processes that break down rock at Earth's surface.
A
sublimation
B
revolution
C
erosion
D
weathering
2) _______ splits rock when water freezes and expands in existing cracks in rock.
A
abrasion
B
oxidation
C
release of pressure
D
ice wedging
3) Plants roots can expand in existing cracks and split rocks open.
A
false
B
true
4) _________ is the most important cause of chemical weathering.
A
pressure changes
B
wind
C
oxidation
D
water
5) Which of these is chemical weathering?
A
rocks crumbles after repeated expansion and shrinking
B
water freezing in the cracks of rocks
C
lichens produce weak acids that dissolve rock
D
wind blows sand against rocks
6) __________ is the loose, weathered material on Earth's surface.
A
soil
B
bedrock
C
lichens
D
mantle
7) ________ is the decomposed organic material found in soil.
A
bedrock
B
humus
C
hummus
D
clay
8) Peanuts and soybeans(legumes) enrich the soil because they contain ________ -fixing bacteria in their roots.
A
nitrogen
B
carbon
C
oxygen
D
argon
9) The extreme loss of topsoil due to drought in the 1930's is called
A
the Great Dirt Storm
B
the Great Blizzard
C
Hurricane Andrew
D
the Dust Bowl
10) To put nutrients back into the soil, farmers alternate between 2 crops. This is called
A
contour plowing
B
conservation plowing
C
irrigation farming
D
crop rotation
11) Farmers can keep the old plant stalks on the field during the summer to keep the soil from blowing during the winter. This is called
A
conservation plowing
B
crop rotation
C
hydroponic gardening
D
contour plowing
12) Material moved by erosion is called
A
a waterfall
B
a cirque
C
sediment
D
deposition
13) Mass movement is erosion caused by
A
glacier
B
wind
C
water
D
gravity
14) Water that does not evaporate or sink into the ground is referred to as
A
sublimation
B
runoff
C
condensation
D
hail
15) A ________ is a stream or small river that flows into a larger river.
A
valley glacier
B
kettle
C
flood plain
D
tributary
16) A meander is a _______ in the course of a river.
A
bend
B
beach
C
delta
D
waterfall
17) Karst topography is associated with the presence of ______
A
caves
B
glaciers
C
waterfalls
D
kettle lakes
18) _________ is scraping or scratching.
A
abrasion
B
plucking
C
moraine
D
deflation
19) _______ is glacial till deposited at the front and side edges of a glacier.
A
sand dune
B
alluvial fan
C
moraine
D
delta
20) ______ is fine, wind-deposited sediment.
A
moraine
B
delta
C
loess
D
hoodoo
*select an answer for all questions
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