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Unit 9 & 10 Earth Science Flashcards | StudBud
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Unit 9 & 10 Earth Science
Unit 9 & 10 Earth Science
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Weathering, Erosion and Deposition
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
What type of deposition by erosion is depicted in the picture?
glacial deposition
mass movement
horizontal stream deposition
Ocean deposition
2
Outwash plains are formed as a result of deposition by...
meltwater from glaciers
winds from hurricanes
landslides
ocean waves
3
Which agent of erosion is responsible for the deposition of sandbars along shorelines?
wind action
mass movement
glaciers
wave action
4
A stream's velocity decreases from 100 cm/s to 5 cm/s. Which size particles are transported?
Pebbles, sand, silt and clay
clay only
sand, silt, and clay only
silt and clay only
5
How did the arch most likely form?
an earthquake forced bedrock upward to form the arch
The arch itself was more resistant to weathering
sand and gravel were deposited in the shape of an arch
an underground glacier tunneled through the bedrock
6
What is chemical weathering?
the material gets larger and looks different
the material is the same but looks different
the material changes into a different material
7
When the velocity of a stream decreases, the sediment being transported increases....
particle density
erosion
mass movement
deposition
8
What would happen to this landscape feature if the climate became more humid?
less weathering and erosion, producing more rounded land
more weathering and erosion producing more rounded land
more weathering and erosion producing more angular land
less weathering and erosion producing more angular land
9
Landscapes will undergo the most chemical weathering if the climate is...
cool and wet
warm and dry
cool and dry
warm and wet
10
Dynamic equilibrium between erosion and deposition in a river exists when the deposition is...
less than the amount of erosion
greater than the amount of erosion
the same as the amount of erosion
11
Sediment is deposited as a river enters a lake because the
force of gravity decreases
volume of water increases
velocity of the river decreases
slope of the river increases
12
the formation of soil is primarily the result of...
weathering and biological activity
precipitation and wind erosion
stream erosion and mass movement
stream deposition and runoff
13
Rock samples from the moon show absolutely no evidence of chemical weathering, why?
lack of biological activity
large quantites of water in the lunar seas
extremely low surface temperatures
The lack of an atmosphere on the moon
14
What is frost action?
the physical weathering of freezing and thawing water
the chemical weathering of freezing and thawing of water
the glacial weathering of freezing and thawing water moving
15
Which agent of erosion most likely depicted in the picture?
wave action
running water
moving glacier
wind
16
In hot, wet climates, bedrock rapidly weathers into soil because water
dissolves many minerals
cools the surroundings when it evaporates
is part of most chemical compounds
expands when if freezes
17
What is abrasion?
rubbing of rocks when mass movement occurs
rubbing by water wind and waves
rubbing by glaciers
rubbing by wind movement
18
Pieces of rock material that are broken from a cliff and deposited by landslide by a cliff is .
angular and unsorted
angular and sorted
round and sorted
rounded and unsorted
19
Which statement best describes the physical weathering shown in the picture?
enlargement of cracks occur when water expands when freezes
cracks become wider due to chemical weathering
this weathering is common in warm and humid climates
this type of weathering occurs in granite only
20
Rock fragments tumbled and carried long distances by this stream are likely becoming?
more rounded, smoother and smaller
less rounded, jagged and larger
less dense, harder and smaller
more dense, angular and smaller
21
What is physical weathering?
different material larger pieces
same material larger pieces
same material smaller pieces
different material smaller pieces
22
Humus, which is formed by the decay of plant and animal matter, is important for the formation
of soils
of minerals
of surface bedrock
of sediment
23
What type of deposition by erosion is depicted by the picture?
glacial deposition
vertical deposition
wind deposition
ocean wave deposition
24
which agent of erosion is responsible for the finger lakes in NY State?
wind
waves
glaciers
streams
25
What is the largest sediment that can be transported by a stream that has a velocity 125cm/s?
cobbles
sand
clay
pebbles
26
What is exfoliation?
layers broken off by chemical weathering
layers broken off by mass movement
layers broken off by physical weathering
layers broken off by wind
27
What type of weathering happened on the tombstones?
glacial
chemical
wind
physical
28
Which event is an example of chemical weathering?
rocks falling of the face of a steep cliff
acid rain reacting with limestone bedrock
felspar in granite being crushed in to clay=sized particles
water freezing in cracks in a roadside outcrop
29
what type of climate caused this weathering?
cold and dry
cold and humid
hot and dry
hot and humid
30
the primary force responsible for the mass movement is...
solar energy
gravity
wind
magnetic fields
31
Which statement best describes the relationship shown?
flatter particles settle more slowly than rounder particles
all particles settle at the same speed
particl shape does not affect settling rate
flatter particles settle faster than rounder particles
32
What is the approximate minimum stream velocity needed to keep a 6.4 cm particle in motion?
100 cm/s
10 cm/s
200 cm/s
50 cm/s
33
The geologic feature shown in the photo is deposited by which agent of erosion?
glaciers
running water
wave action
wind
