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Earth/Space Science > Unit 7/8 > Flashcards

Unit 7/8 Flashcards

1
Q

Name the 3 main surface processes

A

Weathering, Erosion, and Deposition

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2
Q

The BREAKING DOWN of rock

A

Weathering

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3
Q

The MOVEMENT of sediment from broken rock

A

Erosion

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4
Q

The DROPPING of sediment in a NEW place

A

Deposition

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5
Q

Weathering Agents:

A

Water, ice, wind, animals, growing plants

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6
Q

Erosion Agents:

A

Water, ice, wind, gravity

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7
Q

Deposition agents:

A

Formation of an island, sand dunes

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8
Q

Changing pressure, weather, moving water, air, and ice, organisms etc.

A

Mechanical weathering

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9
Q

Oxidation, dissolution

A

Chemical weathering

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10
Q

Chemical or mechanical? Copper reacting with oxygen and turning green

A

Chemical

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11
Q

Folds are caused by…

A

Compression

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12
Q

Faults with up/down motion are caused by…

A

Tension

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13
Q

Faults with slip-strike motion are caused by…

A

Shear

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14
Q

If a mountain range has a lot of soil and plants, the mountain range is likely (old/young)

A

Old

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15
Q

What causes rocks to break off, slide, and tumble downhill?

A

Gravity

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16
Q

Waves smashing pebbles against each other; rain erosion is an example of what agent of change?

A

Water

17
Q

What blows against rock and other grains of sand

A

Wind

18
Q

What pushes into cracks causing rocks to dissolve?

A

Plant roots

19
Q

Weathering that occurs through physical means

A

Mechanical

20
Q

Oxygen reacts with other substances creating rust

A

Oxidation

21
Q

True or false: Rough rock weathers slower than smooth rock

A

False

22
Q

Talus, scree, landslide, creep, slump, earthflow, mudflow, and lahar are all…

A
  • differ based on speed and amount of material
  • have similar materials
  • all terms discuss downhill motion
23
Q

Oceans (stagnant water) create:

A

Large flat layers

24
Q

Slow-moving water @ an angle (downward slope/uneven pressure) creates…

A

Tilted layers

25
Q

Running water (rivers) create

A

Cross-bedding

26
Q

Which horizon? Topsoil of organic matter, living organisms + rock particles

A

A

27
Q

Which horizon? Subsoil of larger rock particles and materials from the A horizon moving downward

A

B

28
Q

Which horizon? Regolith of weathered rock

A

C

29
Q

Which horizon? Solid rock

A

D (Bedrock)

30
Q

True or false: Topsoil is thicker in temperate areas than in tropical and desert areas.

A

True - it is more temperate. Rain washes away too much and tropical and not enough in desert

31
Q

Topography that affects the type of drainage basin in the area>

A

Elevation (water flows downhill)
Nearby water basins in other systems

32
Q

How are meanders formed?

A
  • water flows on path of least resistance
  • an obstruction causes disturbances (meanders) which will enlarge
33
Q
A

Earth/Space Science (1 decks)

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