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Gen Sci Ch 34
Test Description: Weathering
Instructions: Answer all questions to get your test result.
1) The more plant material an area has, the greater the chance of erosion.
A
True
B
False
2) The characteristic of a stream that describes how quickly the water in it moves at a given point is called speed.
A
False
B
True
3) Large sediments moved downstream by bouncing and dragging along the streambed are part of the
A
bed load
B
heavy load
C
suspended load
D
dissolved load
4) The disintegration or decomposition of rock at or near Earth's surface is called
A
erosion
B
deposition
C
wedging
D
weathering
5) Alpine glaciers are huge sheets of thick ice that cover many square miles.
A
True
B
False
6) When heavy rains or snowmelts mix with soil to create mud that is carried downhill, a ___ occurs.
A
creep
B
mudflow
C
rock fall
D
landslide
7) Ice wedging is a form of chemical weathering.
A
True
B
False
8) Glacial erosion due to rocky debris scratching the rocks the glacier travels by is called
A
sanding
B
tillage
C
abrasion
D
plucking
9) A sheet of material that slips and slides downslope is a
A
landslide
B
creep
C
rock fall
D
mudflow
10) Mechanical and chemical weathering cannot work together.
A
True
B
False
11) The source region of a stream is called its
A
headwaters
B
V-shaped valley
C
stream channel
D
none of the above
12) The sediment deposited directly from the melting of glacial ice is called
A
till
B
gruel
C
rocks
D
sludge
13) Creep is often the result of alternative freezing and thawing.
A
True
B
False
14) The process of laying down eroded materials in new locations is called…
A
weathering
B
erosion
C
deposition
D
tillage
15) The slope of a stream, or the change in its elevation over a particular distance, is called a stream’s ….
A
gradient
B
speed
C
load
D
discharge
16) An accumulation of sediment deposited in layers or ridges by a glacier is called a….
A
till
B
sediment
C
glacial hill
D
moraine
17) What type of weathering changes the mineral composition of rocks?
A
mechanical
B
chemical
18) A curve in a stream is called a
A
delta
B
sea arch
C
meander
D
headwater
19) Why do glaciers move?
A
Ice crystals slip past one another
B
both.
C
weight melts its base and makes it slippery.
20) The steeper the hill, the more likely mass movement will occur.
A
False
B
True
*select an answer for all questions
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