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Science > Weathering Erosion And Deposition > Flashcards

Weathering Erosion And Deposition Flashcards

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1
Q

Freezing and thawing, temperature, and living organisms are examples of what type of weathering

A

Mechanical or physical

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2
Q

What is the movement of sediment called

A

Erosion

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3
Q

What is it called when sediment is laid down in new locations

A

Deposition

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4
Q

What happens to the rate of chemical weathering in a warm humid climate

A

Increase

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5
Q

Oxidation carbonation and hydrolysis are examples of what type of weathering

A

Chemical

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6
Q

What is the major agent of erosion and weathering on earth

A

Water

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7
Q

If an area loses material quickly is it more or less resistant to weathering

A

Less

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8
Q

Why does sediment weather faster then large rocks

A

It has more surface area

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9
Q

Freezing or thawing

A

Freezing - freezes

Thawing - melts

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10
Q

Temperature

A

Hot- expansion in rocks

Cool- rocks contract

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11
Q

Living organism

A

Plant roots- go down for nuitrence and water and act as a wedge

Animal burrowing

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12
Q

Oxidation

A

Oxygen combines with other elements in rocks to make new ones

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13
Q

Hydrolysis

A

Water combines with substances in rocks to form new soft substances

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14
Q

Carbonation

A

Carbon dioxide reacts to certain rocks forming a solution that can be carried away by water

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15
Q

When does erosion occurs

A

Running water picks up rocks and sediment and moves them from one location to another

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16
Q

What is sandblasting

A

When particles and sand wear off

17
Q

How is sand made

A

The gradual process of breaking down pebbles

18
Q

Wind

A

The wind picks up light objects like sands and hurls it at landforms breaking off pieces

19
Q

Glacier

A

Moves slowly but it covers vast expanses feeling and transporting bits of rock

20
Q

Waves

A

Waves move toward and away from the shoreline carrying sediment away and too the shoreline

21
Q

Water

A

Currents carry off sediments collected from the streams bed and banks

22
Q

What is breaking down if earths materials called

A

Weathering

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