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Ch. 14 Earth Science Weathering and Erosion Flashcards | StudBud
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Ch. 14 Earth Science Weathering and Erosion
what is soil profile ?
Soil is composed of what
Ch. 14 Earth Science Weathering and Erosion
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1
Soil is composed of what
Air
Water
Sediment
All Of the above
2
what is soil profile ?
cross section of the soil and its bedrock
parent rock rich feldspar
3
what is Pedocal ?
contain large amounts of calcium carbonate very fertile
receive more than 65 cm of rain per year
little humus soil is thin
receive less than 65 cm of rain per year
4
What is Erosion?
The movement of sediments or rock to one place or another.
The wearing down of rocks.
The breaking down of rocks.
When rock sediments are transformed into another rock.
5
Transported soil is formed....
when soil is moved and doesn't have the same composition.
when animals move the soil around.
from the weathering of the land bedrock.
by people.
6
Pedalfer forms in what type of areas?
Dry
Tundra
Tropic
Temperate
7
The process of oxidation involves rock mixed with what?
Water
rock
Iron
popcorn
8
Examples of weathering DOES NOT include
Biological (living things)
Physical (wind, temp, water, ice, salts)
Chemical (dissolved chemicals)
Astronomical (meteors)
9
What are the three major soil horizons?
O, B, C
A, B, C
O, A, B
A, B, R
10
What is a plateau?
A tree that is normally not found in Africa
A mountain that towers above the land.
A large mostly flat area that rises above land.
A mountain with many minerals in it.
11
What is a hill with a flat top that is smaller than a mesa?
canyon
aquifer
mesa
butte
12
What is abrasion?
the process of laughing
the process of precipitation
the process of crying
the process of scraping or wearing away
13
What is soil conservation?
Preventing or stopping erosion.
Covering the soil when it rains.
Having the soil with enough fertilizer.
Making sure the water quality is good.
14
What is not a cause of erosion?
Water
Ice
Sun
Wind
15
What is a mesa
A type of food
An eroded smaller plateau
A type of hot lake
A type of house
16
Carbonation is an example of
Mechanical Weathering
Chemical Weathering
17
What is root wedging
Tree growing near rock
Tree roots
Roots breaking rocks apart
Rock growing tree
18
What is Hydrolysis?
Two rocks hitting together
Peeling of rock layers due to gravity
Chemical reaction of water and minerals
19
What type if weathering is Wind Abrasion?
Chemical Weathering
Mechanical/Physical Weathering
20
Is this photo Chemical or Mechanical Weathering?
Mechanical Weathering
Chemical Weathering
21
what is gully erosion?
corp rotation
farming techniques can help slow soil erosion
accelerated soil ersion formed from a farming technique
terracing
22
What of these answers is Physical Weathering?
Ice Wedge
Acid Precipitation
All of them
Wind Abrasion
23
What type of weathering happened in the picture?
Chemical weathering
Physical weathering
Mechanical weathering
24
Is this chemical or physical weathering?
Chemical
Physical
25
What is ice wedging?
Ice freezing and expanding
Sediments
glaicers
Frozen river
26
What is Humus?
The dark material in soil made from decayed plant & animals.
The top layer of soil.
The hard rough material made of compacted soil.
The acidic soil located below the topsoil.
27
What is regolith?
Weathered rock and mineral fragments
A type of physical weathering
A type of pasta
A family of lichens
28
what is the definition of parent rock?
A rock formation that is the source of soil.
The grinding and wearing away of rock.
The layer of rock beneath soil.
The arrangement of soil particles.
29
What is a type of physical weathering?
Plant Action
Abrasion
Oxidation
Acid Precipitation
30
What is the definition of Acid Precipitation?
Moisture condensed from the atmosphere that falls visibily in seperate drop
Any form of precipitation with acidic components, sulfuric or nitric acid
A storm with thunder and lightning and typically also heavy rain or hail
Draining away of water from surface of an area of land, building/structure
31
What type of weathering is this?
oxidation
abrasion
ice wedging
carbon combustion
32
what is leaching?
humus
wind abrasion
the removal of substances that can be dissolved from rock
contour plowing
33
What is bedrock?
a rock that you can sleep on
That thing from minecraft
the soft rock on the forest floor
unweathered solid parent rock
34
Which of these examples are chemical weathering?
Gravity
Ice
Acid Rain
Freeze/ thaw break down rock
35
What is Chemical Weathering
Freezing and thawing
The movement of rock particles
When a rock is physically broken down into smaller pieces
When a rock is Chemically broken down into smaller pieces
36
what is sheet erosion?
gravity and erosion
when the subsoil is exposed due to erosion stripping away
37
All are examples of physical weathering EXCEPT
Water
Acid Rain
Wind
Plants
