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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
revolution
B
sublimation
C
erosion
D
weathering
2) _______ splits rock when water freezes and expands in existing cracks in rock.
A
ice wedging
B
release of pressure
C
abrasion
D
oxidation
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
water
B
oxidation
C
pressure changes
D
wind
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
lichens
B
soil
C
bedrock
D
mantle
7) ________ is the decomposed organic material found in soil.
A
bedrock
B
hummus
C
humus
D
clay
8) Peanuts and soybeans(legumes) enrich the soil because they contain ________ -fixing bacteria in their roots.
A
oxygen
B
carbon
C
argon
D
nitrogen
9) The extreme loss of topsoil due to drought in the 1930's is called
A
the Dust Bowl
B
Hurricane Andrew
C
the Great Blizzard
D
the Great Dirt Storm
10) To put nutrients back into the soil, farmers alternate between 2 crops. This is called
A
crop rotation
B
conservation plowing
C
contour plowing
D
irrigation farming
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
crop rotation
B
hydroponic gardening
C
contour plowing
D
conservation plowing
12) Material moved by erosion is called
A
a cirque
B
a waterfall
C
sediment
D
deposition
13) Mass movement is erosion caused by
A
glacier
B
gravity
C
water
D
wind
14) Water that does not evaporate or sink into the ground is referred to as
A
hail
B
runoff
C
sublimation
D
condensation
15) A ________ is a stream or small river that flows into a larger river.
A
kettle
B
valley glacier
C
flood plain
D
tributary
16) A meander is a _______ in the course of a river.
A
bend
B
waterfall
C
beach
D
delta
17) Karst topography is associated with the presence of ______
A
kettle lakes
B
waterfalls
C
caves
D
glaciers
18) _________ is scraping or scratching.
A
plucking
B
deflation
C
moraine
D
abrasion
19) _______ is glacial till deposited at the front and side edges of a glacier.
A
alluvial fan
B
moraine
C
delta
D
sand dune
20) ______ is fine, wind-deposited sediment.
A
delta
B
moraine
C
loess
D
hoodoo
*select an answer for all questions
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