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8th Grade Science > Earths Changing Surface > Flashcards

Earths Changing Surface Flashcards

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Biology 101 flashcards
1
Q

Erosion

A

Process that move sediment from one place to another

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2
Q

Deposition

A

The laying down of sediment that has been eroded

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3
Q

4 types of weathering

A

Water, wind,glaciers,Gravity

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4
Q

Examples of wind erosion

A

Tornadoes wind storms

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5
Q

Examples of water

A

Steam erosion Grand Canyon wave and beach erosion and raindrop erosion which is an issue on farms

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6
Q

Examples of deposition

A

Landforms called deltas where rivers flow into other bodies of water
Waves dropping sand on beach
Glaciers
Layers of sediment forming at the bottom of the ocean

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7
Q

Examples of erosion

A

Wind blowing sand from one location to another
Muddy water being carried away by a fast moving river
A mudslide flowing down a steep hill
Glaciers scraping rocks across the earths surface

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8
Q

Examples of weathering

A

Rain washing away soil from a hillside
Flood water pounding against a canyon wall and wearing it down
Water getting into cracks, freezing and breaking the rocks apart
Wind blowing ricks together forming smaller rocks

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9
Q

The two types of weathering

A

Mechanical-physical change freeze and thaw of water

Chemical-acid rain plant acid

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10
Q

Is weathering destructive or constructive

A

Destructive

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11
Q

Is deposition deconstructing or constructive

A

Constructive

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12
Q

Is erosion deconstructing or constructive

A

Deconstructive

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13
Q

What is a contour interval

A

The space between the contour lines on a map scale

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14
Q

What is an index interval

A

The steepest part of the slope

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15
Q

What is relief

A

The difference between high and low elevations

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16
Q

What is a benchmark

A

A location whose exact elevation is known and is noted on a brass or aluminum plate

17
Q

What is a map scale

A

Indicates the distance on the map compared to distance in the real world

18
Q

What is a topographic map

A

A two-dimensional model of the earths surface

19
Q

What are contour lines

A

Connects points of equal elevation

20
Q

Are all contour intervals the same difference

A

Yes

21
Q

What is a contour interval

A

The difference in elevation between each line

22
Q

What is a benchmark marked with on a map

A

An X or BM

23
Q

What are contour maps

A

It represents a three-dimensional world

24
Q

Rules for contours

A

Never cross
Formed closed loops
Band upstream

25
Q

Weathering

A

Processes that break down rock

8th Grade Science (1 decks)

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