Forces That Shape Earth Flashcards

1
Q

Stress

A

Force that changes rock to change its shape or volume

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2
Q

3 types of stress

A

Shearing, compression, tension

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3
Q

Tension

A

Pulls on the crust
Mid-ocean ridges
Continental rift

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4
Q

Compression

A

Pushes or folds
Ocean trenches
Volcanic arcs
Mountain ranges

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5
Q

Shearing

A

Pushes rock in town opposite directions
Fault zones
Transform fault

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6
Q

Strain

A

A change in the shape of a rock
Elastic- not permanent
Plastic-permanent

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7
Q

Earthquake

A

Movement in the ground caused by movement along the faults
Normal
Strike-slip
Reverse

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8
Q

Strike-slip

A

2 blocks of rock sliding past each other

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9
Q

Normal

A

Pulls apart causing one to go down

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10
Q

Reverse

A

Pushing causing one to go up

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