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Math & Science > Weathering > Flashcards

Weathering Flashcards

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1
Q

Chemical and physical processes that change the characteristics of rocks on the Earth’s surface

A

Weathering

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2
Q

Occurs when rocks are exposed to the hydrosphere and atnmosphere

A

Weathering

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3
Q

This type of weathering occurs when rocks are broken in to smaller pieces without changing the chemical composition of the rock

A

Physical weathering

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4
Q

This type of physical weathering causes the breakup of rock via freezing and thawing is water

A

Frost action/ice wedging

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5
Q

This type of physical weathering refers to the physical wearing down of rocks as they rub or bounce against each other

A

Abrasion

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6
Q

This type of physical weathering refers to the peeling away of large sheets of loosened materials at the surface of a rock

A

Exfoliation

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7
Q

This form of weathering occurs when a rock is broken by chemical action resulting in a change in the composition of a rock

A

Chemical weathering

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8
Q

This type of chemical weathering occurs when oxygen interacts chemically with minerals

A

Oxidation

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9
Q

Type of chemical weathering referring to the process by which dissolved carbon dioxide in rainwater or moisture in surrounding air forms carbonic acid and reacts with the minerals in the rock

A

Carbonation

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10
Q

Type of chemical weathering refers to the chemical reaction between the minerals in the rock and hydrogen in rain water

A

Hydrolysis

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11
Q

Type of chemical weathering that refers to the process by which minerals in the rocks dissolve directly in water

A

Solution

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12
Q

Type of chemical weathering that refers to the process by which minerals in the rock absorb water and expand, creating stress which causes the disintegration of rocks

A

Hydration

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13
Q

Particle size is a factor affecting weathering rate that refers to

A

The rock structure that affects the susceptibility to weather

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14
Q

Mineral composition is a factor affecting weathering rate that refers to

A

Different minerals weathering at different rates

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15
Q

Climate is a factor affecting weathering rate that refers to…

A

Higher temperature and rainfall that causes rocks to weather easily

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16
Q

Soul is a factor affecting weathering rate that refers to…

A

Soil contains rainwater

17
Q

The transportation of rock, soil, and mineral particles from one location to another

A

Erosion

18
Q

Running water is the primary agent of erosion and is found in streams and rivers, this type of erosion is called?

A

Stream erosion

19
Q

The grinding action of water on the rocks is a process called…

A

Abrasion

20
Q

Factors that affect movement of sediments in a stream…

A

Gradient, discharge, channel shape

21
Q

Streams carry materials in four distinct ways…

A

Flotation, solution, suspension and bed load

22
Q

A meandering stream velocity is lowest along the __________ banks

A

Inner

23
Q

Water encounters the ______ friction along the inner banks _______ flow

A

Most…reducing

24
Q

Rock particles are picked up and transported elsewhere by an eroding agent

A

Deposition

25
Q

The final step of the erosional-depositional system

A

Deposition

26
Q

Final deposition of particles (sediments) occurs at the ________ of a stream

A

Mouth

27
Q

Deposition occurring at the mouth of a stream or river leads to the arranging of sediments from largest to smallest called…

A

Horizontal sorting

28
Q

Smaller particles settle more slowly than larger particles, this factor affecting deposition is called

A

Size

29
Q

A round sediment compared to a flat sediment of equal size will settle faster in a body if water due to less resistance, this factor affecting deposition is called

A

Shape

30
Q

Higher density particles will settle faster, this factor affecting deposition is called

A

Density

31
Q

A fast flowing stream has more carrying power and the size of the particles deposited will also increase, this factor affecting deposition is called

A

Velocity

32
Q

Glaciers deposit their sediment when they melt, this is called till, this factor of deposition is called

A

Glacial deposition

Math & Science (8 decks)

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