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8.3 Earthquakes 7th

8.3 Earthquakes 7th

TermDefinition
Stress Force that acts on rock to change its shape or volume there are 3 kinds on the Earth
Tension Pulls on Earth's crust stretching the rocks to make it thinner
Commpression Squeezes rock until it bends or breaks, causing mountains
Shearing Rock is being pushed in two opposite directions to the point that it bends or breaks causes folds or faults causes Earthquakes
Normal Fault Hanging wall slips down relative to the footwall this is in a divergent boundary and a tension stress
Fault Is the break in the rock of Earth's crust or mantle three kinds on Earth
Reverse Fault Hanging wall slides up and over the footwall this is in a convergent boundary and a compression stress
Strike -Slip Fault Walls of rock grind past each other in opposite directions this is in a Transform boundary and a shearing stress
Earthquake Shaking and trembling result of the sudden release of stress produces a great amount of energy that moves the tectonic plate
Seismic Waves vibrations that travel through Earth carrying energy, three types of waves P, S, Rolling waves like ocean
Created by: user-1944868
 

 



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