Studied by 6 people
mid ocean ridge
An undersea mountain chain were new ocean floor is produced a divergent plate boundary under the ocean
sea floor spreading
The process by which molten adds new oceanic crust to the ocean floor
Subduction
The process which oceanic sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary
ocean trench
an undersea valley that represents one of the deepest part of the ocean
Hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
divergent boundary
A plate boundary where two plates move away from each other.
convergent boundary
plate boundary where two plates move toward
Tranform Boundary
A plate boundary where two plates move past each other in opposite directions
stress
A force, the acts rock to change its shape or volume
tension
Stress stash trenches rock show that a big comes thinner in the middle
Comperession
stress, the squeezes rock until it folds or break
shearing
Stretch step pushes masses of Brock in opposite direction in a sideways movement
fault
A break in earths crust, along which rock move or rock beneath the earth surface
earthquake
The shaking of results from the movement
Magnitude
The measurement of an Earthquake strength based on the semantic wave on and movement along,
Tsunami
A giant wave usually caused by an earthquake beneath the earths ocean floor
scale
The relative size of an extent of something
volcano
A weak spot in the crust where magma has come to the surface
magma
A molten mixture of rock forming sentences gases in water from the mantle
lava
Liquid magma that reaches its surface
hot spot
An area where magma from deep within the mantle melts through the crust above
extinct
Term used to describe a volcano that is no longer active an unlikely to irrupt again
dormant
Term used to describe a volcano that is not currently active but to become active in the future
active
Working operative
Composite
made up of various parts of elements
who made the hypothesis
alfred wegener
the name of the super continent
pangaea
pangaea
animal fossils,plant fossils,rocks
the largest earthquake
valdivia earthquake which occurred in 1960 in the country of chile
pangaea broke when
about 250 million years ago
Note 
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