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Weathering, Soil, Erosion Flashcards | StudBud
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Weathering, Soil, Erosion
Weathering, Soil, Erosion
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Study help for Chapter 5 of Pearson Earth Science
Flashcards
18 cards
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Questions
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1
Which is true about mass movement?
Gravity is the main force causing mass movement
All mass movement is fast and dangerous
Mass movement is not a concern in Virginia
Mass movement can include glaciers
2
Which would not be able to start mass movement?
Solar Radiation
Volcanic Eruption
Hurricane
Earthquake
3
What horizon is as far down as roots will go?
C horizon
A horizon
B horizon
D horizon
4
The soil horizon that has the most organic material is....
C horizon
D horizon
A horizon
B horizon
5
Seeds usually will start growing in which horizon?
Topsoil
Bedrock
Partially weathered rock
Subsoil
6
Breaking down of rocks or other materials is called......
Carving
Weathering
Deposition
Erosion
7
What happens to a rock that is chemically weathered?
It changes to a new substance
It becomes more dense
It breaks into small pieces
It grows crystals
8
When a group of rocks are rolling down a hill it is called
Rockfall
Creep
Slump
Rockslide
9
The parent material in soil is
not useful in growing plants
what was deposited from far away
the source of the soil in an area
only found in the top soil
10
Which involves a pressure pushing the rocks from below to make the layers break?
unloading
spheroidal weathering
frost wedging
oxidation
11
Which is not a sediment size used to judge soil?
clay
pebbles
sand
silt
12
Minerals from the surface are found in deeper layers of soil due to...
density
gravity
leaching
weathering
13
Which does not affect how fast something is weathered?
rock types in the area
climate
how much is exposed to the surface
exfoliation
14
The main source of humus is
plants
water
rocks
pollution
15
Which is the most important thing that can affect the rate something gets weathered?
Plant life
Water
Slope
Climate
16
A farmer rotates the crops they grow each year because...
it prevents nutrient depletion
different crops grow only in certain years
it will save on irrigation
it saves them money
17
Which is an example of chemical weathering?
Paint chipping off of a car
Stones being smoothed at the bottom of a river
Marble being chiseled to make a statue
Rusty nail on an old treehouse
18
Laterite soils have little organic material. Where would you find it?
Polar regions
Temperate regions
Dry regions
Tropical regions
