CH 27 27.2 Flashcards

(36 cards)

1
Q

Weathering

A

Process that involves the physical or chemical breakdown of materials on earths surface.

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2
Q

Soil

A

Mixture of weathered rock, organic matter, water, and air that is capable of supporting plant life.

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3
Q

Erosion

A

Removal of surface materials through the processes of weathering.

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4
Q

Sediment Transport

A

posses of moving eroded materials from one place to another through the movement of water, ice, wind and due to gravity.

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5
Q

Deposition

A

dropping of sediment previously in transport as the erosion agent slows down, or in the case of ice, melt.

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6
Q

Drainage Basin

A

land areas that gathers water for a major river or several major river systems,

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7
Q

longshore current

A

moment of water, and often, sediment, parallel to the shoreline.

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8
Q

What is the difference between wreathing and erosion?

A

Weathering is the breakdown materials and erosion is the removal

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9
Q

As the slope of river decreases

A

The rivers speed decrease

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10
Q

What are

A
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11
Q

What shape do young rivers make due to fast movement?

A

V-shape

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12
Q

what types of Rivers are wide with smooth and gentle slopes

A

Mature

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13
Q

When rivers flood and drop there sediment load?

A

Flood plains

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14
Q

What are fan shaped sediments deposits will form at the mouth of a river?

A

Deltas

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15
Q

What are the branching channels that are created by delta?

A

Distributaries

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16
Q

Where the mouth of a river or stream enters dry land?

A

Alluvial fans

17
Q

What are the two types of glaciers?

A

Valley and continental glaciers

18
Q

Where do valley glaciers form?

A

High mountainous regions

19
Q

Where are the two glaciers located

A

One in Greenland and in Antarctic

20
Q

What is a cirque?

A

Bowl shaped basin

21
Q

What is an Arete?

A

long sharp ridgeline

22
Q

What is a horn?

A

Sharpened peaks

23
Q

What do tributary glaciers create?

A

Hanging vallies

24
Q

what are tributary glaciers?

A

small glaciers that feed into big glaciers

25
What shape of valley glaciers create?
U- shaped valleys
26
Which side of a sand doom does an erosion occur?
windward side
27
Which side does deposition occur on sand dummes?
leeward side
28
what is the removal of small particles by wind leaving heavier particles behind?
Deflation
29
When small particles are removed the remaining surface is called?
desert pavement
30
what dies the shape and sizes of land forms depend on?
wind speed, amount of time the wind blows,and sediment supply
31
What are three land forms created by wave erosion?
Coastal cliff, sea stacks, and sea arches
32
what are two samples of wave depostion?
Sand bars and sand spits
33
what is a sandbar?
Land forms that are parallel to the shoreline
34
what is a sand spit?
Sandbars that extend into the water from land and curve back toward land in a hook shape
35
what is mass wasting caused by?
snow, heavy rain, earthquakes, or human wasting, mass wasting results
36
what are examples of mass wasting?
rock slides, mudflows, landslides