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Deforming Earth’s Crust
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Stress = Force Arrows Stress: Amount of force per unit area
The reaction when rocks change shape due to stress is called Deformation Three types of stress: Compression Tension Shear
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Compression Stress when objects are squeezed
Occurs at a convergent boundary Force that builds folded mountains
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Tension Stress when forces stretch an object
Occurs at divergent boundary Mid-ocean ridge
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Shearing Pushes rock in two opposite directions
Occurs at transform boundary
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Folding When layers bend due to stress in the Earth’s Crust
Three types of folds are: Anticline Syncline monocline
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Folds Draw the 3 types of Folds Include Force arrows
Under each drawing identify what type of tectonic plate boundary the fold would occur Answer D
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Faulting Surface in which rock break and slide on each other
Blocks on each side are identified as Fault Blocks Two sides are identified as: Footwall Hanging wall
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Faults Take Play-Doh Mold into two blocks
One block should have a footwall One block should have a hanging wall
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Faults Three types of Faults are: Draw the three faults
Normal Reverse Strike-slip Draw the three faults Answer question F Answer question G
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