DRA QUIZ deforming Flashcards

1
Q

what is the amount of force placed on a given material called?

A

stress

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2
Q

the process by which the shape of a rock changes because of stress

A

deformation

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3
Q

when stress squeezes an object it is called

A

compression

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4
Q

when stress stretches and object it is called

A

tension

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5
Q

what can form when compression squeezes rocks at a convergent place boundary

A

large mountain ranges

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6
Q

what type of stress occurs at a divergent plate boundary

A

tension

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7
Q

the bending of rock layers due to stress

A

folding

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8
Q

a fold where both ends of the rock layers are horzontal

A

monocline

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9
Q

a downward, trough like fold in a rock layer

A

syncline

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10
Q

an upward arching fold in a rock layer

A

anticline

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11
Q

when rock layers break, the resulting surface they break and slide on is a

A

fault

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12
Q

when tension pulls rocks apart it creates a

A

normal fault

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13
Q

when compression pushes rock together it creates a

A

reverse fault

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14
Q

when opposing forces cause rocks to break and move horizontally, they create a

A

strike-slip fault

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15
Q

when a fault is not vertical a hanging wall and

A

footwall’s are formed

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16
Q

the hanging wall moves down relates to the foot wall in a

A

normal fault

17
Q

the hanging wall moves up relative to the foot wall in a

A

reverse fault

18
Q

when tectonic plates collide, folds and faults become

A

moutnain ranges

19
Q

what kind of mountain range is formed when rock layers are squeezed and forced upward

A

folded mountains

20
Q

what kinds of mountain range is formed when tension causes large blocks of crust to drop down

A

fault block mountains

21
Q

what kind of mountain is formed when magma rises to the surface and erupts

A

volcanic mountains

22
Q

Appalachian Mountains

A

folded mountains

23
Q

Tetons

A

fault block mountains

24
Q

Ring of Fire

A

volcanic mountains

25
Q

The rising of Earth’s crust to higher elevations is called

A

uplift

26
Q

the sinking of regions of the Earths crust to lower elevations is called

A

subsidence

27
Q

when the Earth’s crust slowly springs back to its original elevation it is called

A

rebound

28
Q

what happens to the ocean floor the farther the oceanic lithosphere is from a mid ocean ridge

A

the cooler and denser the lithosphere becomes because the oceanic lithosphere now takes up less volume the ocean floor subsides

29
Q

a set of cracks that form when two tectonic plates are pulling away from each other is known as

A

rift zone