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Geography 101 > Chapter 13 > Flashcards

Chapter 13 Flashcards

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1
Q

What is it called when plates moves away from each other?

A

Plate divergence

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2
Q

What is The result of plate divergence occurring on the oceanic crustal layer?

A

Earthquakes and volcanoes

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3
Q

What is the result of plate divergence occurring on the continental crustal layer?

A

Rift valleys, such as the Red Sea and Lake Baikal

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4
Q

What is it called when plates move toward each other and collide?

A

Plate convergence

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5
Q

What is it called when the denser plate is forced to go under the less dense plate at the convergent margin?

A

Subduction

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6
Q

Which plate is denser, the oceanic plate or the continental?

A

Oceanic plate

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7
Q

What trench is the deepest part of the Pacific ocean?

A

The Mariana trench

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8
Q

What trench is the deepest part of the Atlantic ocean?

A

The Puerto Rico trench

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9
Q

Earthquakes in the water can cause what?

A

Tsunami’s

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10
Q

Pressure from the converging plates cost to brittle cross to fracture, and crumple or fold resulting in…

A

Orogeny

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11
Q

What are mountains due to pressure induced folding called?

A

Orogenic mountains

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12
Q

What do oceanic oceanic plate convergence result in?

A

An island arc

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13
Q

Where can you find island arcs?

A

Australia, the Philippines, and Japan

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14
Q

What is the result of a continental continental plate convergence?

A

Large interior mountain ranges

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15
Q

Where on earth can you find continental continental plate convergence

A

Alps and The Himalayas

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16
Q

What is a passive plate margin?

A

When plates slide past each other as they move in opposite directions.
No crust/lithosphere Is being created nor destroyed

17
Q

What is an example of passive plate margin?

A

The San Andreas fault in California

18
Q

Is a lava plateau quiet or explosive?

A

Quiet

19
Q

Is a shield volcano quiet or explosive?

A

Quiet

20
Q

Is a composite cone quiet or explosive?

A

Quiet

21
Q

What is the most explosive of all eruptions?

A

A Phreatic eruption

22
Q

What is the degradation?

A

When elevation is lowered due to erosion

23
Q

What is aggradation?

A

Raises the elevation by filling in depressions through deposition

24
Q

What are the primary agents of gradation?

A

Ice, water, wind

25
Q

What letters represent physical weathering of Koppen climate zones?

A

D,ET, H

26
Q

What is regulus?

A

The broken bed rock

27
Q

At what latitude and altitude would you find physical weathering?

A

Both high

28
Q

How would the humidity and temperature be for physical weathering?

A

Low humidity and low temperature

29
Q

What are the letters for chemical weathering?

A

A and C

30
Q

At what humidity and temperature does chemical weathering occur?

A

High humidity and high temperatures

31
Q

What chemical reactions happen for chemical weathering?

A

Oxidation and solution

32
Q

What are the two components of chemical weathering?

A

Heat and water

33
Q

What is the fastest flow of movement?

A

A Lahar

34
Q

What is fallen rock material called?

A

Talus or scree

Geography 101 (5 decks)

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