CH 27 27.2 Flashcards

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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
Q

What shape of valley glaciers create?

A

U- shaped valleys

26
Q

Which side of a sand doom does an erosion occur?

A

windward side

27
Q

Which side does deposition occur on sand dummes?

A

leeward side

28
Q

what is the removal of small particles by wind leaving heavier particles behind?

A

Deflation

29
Q

When small particles are removed the remaining surface is called?

A

desert pavement

30
Q

what dies the shape and sizes of land forms depend on?

A

wind speed, amount of time the wind blows,and sediment supply

31
Q

What are three land forms created by wave erosion?

A

Coastal cliff, sea stacks, and sea arches

32
Q

what are two samples of wave depostion?

A

Sand bars and sand spits

33
Q

what is a sandbar?

A

Land forms that are parallel to the shoreline

34
Q

what is a sand spit?

A

Sandbars that extend into the water from land and curve back toward land in a hook shape

35
Q

what is mass wasting caused by?

A

snow, heavy rain, earthquakes, or human wasting, mass wasting results

36
Q

what are examples of mass wasting?

A

rock slides, mudflows, landslides