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Weathering, Soil, and Mass Movement Flashcards | StudBud
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Weathering, Soil, and Mass Movement
Weathering, Soil, and Mass Movement
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#Earth Science
Flashcards
20 cards
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Questions
20
Answers
1
When water freezes, its volume
stays the same
decease slightly
decrease greatly
increases
2
Alternate thawing and freezing leads to________
slumps
earthflow
creep
mudflow
3
The release of water vapor from plants is called?
Precipitation
Condensation
Evaporation
Transpiration
4
What factor commonly triggers mass movement?
removal of vegtation
earthquakes
all of the above
saturation of surface material by water
5
What is the force behind mass movement?
moving ice
The sun's energy
gravity
flowing water
6
What is the soil called if it has 70% sand, 20% silt, and 10% clay
silt
clay loam
clay
sandy loam
7
A soil associated with the hot wet tropics is_____.
pedocal
laterite
pedalfer
bedrock soil
8
A soil that is characteristic of the humid eastern United States is______.
laterite
pedalfer
pedocal
humus
9
Which of these factors affect the rate of weathering.
chemical composition of the exposed rock
all of the above
climate
surface area of the exposed rock
10
The process of moving material down slope due to gravity is called_____.
weathering
soil formation
erosion
mass movement
11
Compared to the past, rates of soil erosion are ______.
faster
more unpredictable
slower
about the same
12
Which weathering process involve the constant freezing and thawing of water
frost wedging
spheroidal weathering
exfoliation
unloading
13
Which of the following is
NOT
a major component of soil?
humus
mineral matter
earthworms
air
14
What is the soil called with 20% clay, 40% silt and 40% sand
loam
sand
sandy loam
silty clay loam
15
A soils texture is determined by_____.
type of humus
mineral composition
water content
particle size
16
What is the slowest type of mass movement?
A rockfall
creep
A slump
An earthflow
17
the main source of organic matter in soil is _____.
bacteria
plants
fungi
water
18
Chemical weathering would be most effective in a
cold, dry climate
warm, dry climate
warm, humid climate
equally effective in any climate
19
What is the soil called with 20% clay, 60% silt, and 20% sand? Use the texture pyramid.
silty loam
loamy sand
sandy clay loam
loam
20
Which of the following is a result of chemical weathering?
A rock that has lost its outer layers.
A rock that is changed into one or more new compounds.
A rock that has been broken into tiny pieces.
A rock that has been split in two.