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Last updated 12:24 AM on 1/31/23
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30 Terms
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mid ocean ridge
An undersea mountain chain were new ocean floor is produced a divergent plate boundary under the ocean
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sea floor spreading
The process by which molten adds new oceanic crust to the ocean floor
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Subduction
The process which oceanic sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary
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ocean trench
an undersea valley that represents one of the deepest part of the ocean
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Hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
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divergent boundary
A plate boundary where two plates move away from each other.
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convergent boundary
plate boundary where two plates move toward
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Tranform Boundary
A plate boundary where two plates move past each other in opposite directions
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stress
A force, the acts rock to change its shape or volume
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tension
Stress stash trenches rock show that a big comes thinner in the middle
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Comperession
stress, the squeezes rock until it folds or break
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shearing
Stretch step pushes masses of Brock in opposite direction in a sideways movement
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fault
A break in earths crust, along which rock move or rock beneath the earth surface
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earthquake
The shaking of results from the movement
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Magnitude
The measurement of an Earthquake strength based on the semantic wave on and movement along,
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Tsunami
A giant wave usually caused by an earthquake beneath the earths ocean floor
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scale
The relative size of an extent of something
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volcano
A weak spot in the crust where magma has come to the surface
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magma
A molten mixture of rock forming sentences gases in water from the mantle
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lava
Liquid magma that reaches its surface
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hot spot
An area where magma from deep within the mantle melts through the crust above
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extinct
Term used to describe a volcano that is no longer active an unlikely to irrupt again
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dormant
Term used to describe a volcano that is not currently active but to become active in the future
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active
Working operative
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Composite
made up of various parts of elements
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who made the hypothesis
alfred wegener
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the name of the super continent
pangaea
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pangaea
animal fossils,plant fossils,rocks
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the largest earthquake
valdivia earthquake which occurred in 1960 in the country of chile
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pangaea broke when
about 250 million years ago
