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