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Erosion and Deposition- Regents Earth Science
Erosion and Deposition- Regents Earth Science
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Review for Topic 9 and 10
Flashcards
42 cards
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Practice quiz
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Questions
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Answers
1
Why do particles carried by a river settle to the bottom as the river enters the ocean?
The density of the ocean water is greater.
The velocity of the river water decreases.
The velocity of the river water increases.
The larger particles have a larger surface area.
2
Transported sediments are usually deposited at locations in which
a decrease in the speed of the agent of erosion
the chemical breakdown of rock occurs
the freezing and thawing of water occurs
an increase in the physical weathering of rocks occurs
3
What erosional force alone acts to produce avalanches and landslides?
Winds
Glaciers
Gravity
Sea Waves
4
This feature is a(n)
arete
esker
drumlin
kettle lake
5
Based on the map, where is erosion due to flowing water the greatest?
A and B
A and D
C and B
D and B
6
This image is an example of:
Graded bedding
Horizontal sorting
Vertical sorting
7
What erosional gent typically deposits hills of unsorted sediment?
wind
glaciers
ocean waves
streams
8
When water from the river enters the lake, _____ sized particles will usually settle out first.
cobbles
pebbles
silt
sand
9
Why are erratics (specifically granites) common in Central New York?
Chemical weathering.
The soils were transported.
New York experienced glaciation.
There are no erratics.
10
A large rock is broken into smaller pieces. Which is most likely true?
The density of the pieces has changed.
The surface area increased.
The surface area decreases.
The composition of the rock has changed.
11
The relationship between stream velocity and transported sediment size is:
Direct
Indirect
No relationship
12
Which of the following is not an example of chemical weathering?
Hydrolysis
Oxidation
Carbonation
Dissolving of sugar in water
13
Which force drives most erosion?
Gravity
Wind
Ice
Water
14
If stream discharge increases, the most likely result will be
an increase in the deposition
a decrease in average stream velocity
a decrease in the amount of erosion
an increase in particle size
15
If the stream's erosional rate is equal to its depositional rate, the stream is said to be in
dynamic equalibrium
a state of substiance
environmental imbalance
a state of uplift
16
The rate particles are deposited by a stream is least affected by:
size and shape of the particles
density of the particles
velocity of the stream
stream's elevation above sea level
17
Which change would cause an increase in the thickness of topsoil in NYS?
A decrease in air temperature.
A decrease in rainfall.
An increase in slope.
An increase in biological activity.
18
What is the size range for pebbles?
0.006-0.2 cm
0.2-25.6 cm
25.6 +cm
0.2-6.4 cm
19
Which conditions will produces moderate chemical weathering?
Temperature= -5 C Precipitation=50mm
Temperature= 15 C Precipitation=25mm
Temperature= 25C Precipitation=100mm
Temperature= 5C Precipitation= 50mm
20
Which rock layer is least resistant to weathering?
1
2
3
4
21
In the same environment, which will weather more quickly?
B
They will weather at the same rate.
A
22
How is erosion different from weathering?
They're the same thing.
Erosion is the breakdown of rock/material.
Weathering is the transportation of materials.
Erosion is the transportation of material.
23
Why does a lead sphere settle faster than a glass sphere of the same volume?
The lead sphere takes up less space.
The leadsphere has more surface area.
The lead sphere has a higher density.
The lead sphere has a smoother surface.
24
What depositional feature is shown in this diagram?
Terminal Moraines
Lateral Moraines
Medial Moraines
25
The longer a pebble travels in a stream, it will most likely
Become angular and increase in surface area
Become smoother and and decrease in surface area.
Become smoother and increase in surface area
Become more angular and decrease in surface area.
26
Which rock particles will remain suspended in water the longest?
silt
clay
pebbles
sand
27
What conditions will most likely cause chemical weathering?
Hot and Humid
Cold and Arid
Hot and Arid
Cold and Humid
28
What is closest to the minimum stream velocity to transport cobbles?
90 cm/s
200 cm/s
50 cm/s
100 cm/s
29
The chemical composition of a residual soil in a certain area is determined by
the minerals in the bedrock and local climate.
the area the soil was transported from and local climate.
the length of time since the last crustal movement.
the slope of the land and particle size of the soil.
30
In what zone would the stream deposit the largest particles?
D
C
A
B
31
Which is an example of physical weathering?
The transportation of sediment in streams.
The reaction of limestone with acid.
The formation of a sandbar.
The cracking of rock caused by freezing and thawing water.
32
What is the largest size particle a stream traveling at 1 cm/s can transport?
pebbles
silt
clay
sand
33
Water is a major element of chemical weathering because
it has a high density.
it has a high specific heat.
it can dissolve many of the chemicals that make up rocks.
evaporation is a cooling process.
34
What type of weathering is most prevalent at -15 C and 50 mm precipitation?
Slight frost action
Moderate chemical weathering with frost action
Moderate frost action
Strong frost action
35
What conditions will most likely cause physical weathering?
Cold and Humid
Cold and Arid
Hot and Humid
Hot and Arid
36
Why will B weather more quickly than A?
The surface area of B is larger than A.
The surface area of A is larger than B.
The density of B is greater than A.
A is harder than B and is therefore more resistant.
37
If soil particles differ greatly from the underlying bedrock, what conclusion can you make?
They are transported sediments.
They are residual sediments.
The are water soluble.
The are uniform in grain size.
38
This hill is most likely composed of
cemented sediments
vertically sorted sediments
horizontally layered sediments
unsorted sediments
39
If all 4 samples have the same composition and mass, which will weather the slowest?
C
B
A
D
40
What direction does the wind generally blow here? (Assume North is the top of the page.)
Towards the SW
Towards the NE
Towards the SE
Towards the NW
41
What type of weathering is most common at 15 C and 200 mm of precipitation?
Strong chemical weathering.
None of these.
Moderate chemical weathering .
Frost action.
42
What direction does this river flow?
East
North
West
South
