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Earth Science 1st Quarter Exam > Plate Boundaries and Interactions > Flashcards

Plate Boundaries and Interactions Flashcards

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1
Q

move on top of the asthenosphere 1-10 cm per year

A

tectonic plates

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2
Q

move apart

A

divergent

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3
Q

move toward each other

A

convergent

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4
Q

move past each other

A

transform

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5
Q

what happens when two plates move away from each other under divergent plate boundaries?

A

a gap or rift is created between them

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5
Q

mid oceanic ridges?

A

oceanic-oceanic divergent plate boundaries

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6
Q

rift valley (great east african keme)

A

continental-continental divergent plate boundary

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7
Q

new crust is created by intruding magma and lava on the ocean floor as plates move apart

A

divergent plate boundary

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8
Q

trenches, volcanic mountain underwater

A

oceanic-oceanic convergent plate boundary

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9
Q

mountain ranges, volcanoes, trenches

A

oceanic-continental convergent plate boundary

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9
Q

mountain ranges, volcanic mountain ranges

A

continental-continental convergent plate boundary

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9
Q

deepest trench

A

mariana trench

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10
Q

biggest mountain range

A

andes mountain range in south africa

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11
Q

only EARTHQUAKES are formed

A

transform plate boundary

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12
Q

tallest mountain range

A

himalayas mountain range

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13
Q

fracture or zone of fractures between two blocks (crack)

A

fault

14
Q

space or boundary of plate

A

plate boundaries

14
Q

where plates interact

A

fault plate

15
Q

block that is below the plain fault

A

footwall

16
Q

block above the plane or fault

A

hanging wall

17
Q

angle of crack (slat movement)

A

dip-slip fault

18
Q

hanging wall moves downward

A

normal fault

19
Q

hanging wall moves upward

A

reverse fault

19
Q

type of reverse fault where the angle of the dip is 45’ or less

A

thrust fault

20
Q

right to left

A

strike slip fault

21
Q

combination of strike slip and dip slip

A

oblique slip fault

Earth Science 1st Quarter Exam (7 decks)

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