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plate movement

TermDefinition
crust the layer of rock that forms Earth's outer surface
mantle the layer of hot, solid materal between earth's crust and core.
outer core a layer of molten iron and nickel that surrounds the inner core earth
inner core a dense sphere of solid iron and nickel at the center of earth
latitude the distance north or south of the epuator measured in degrees.
longitude the distance east or west of the prime meridian in Greenwich, England; measured in degrees.
oceanic ridge a mountain-like landform that develops when tectonic plates move apart or seprerate and a new ocean lithosphere
sea-floor spreading the process by which molten material adds new oceanic crust to the ocean floor
divergent boundary a plate boundary where two plates move away from each other
convergent boundary a plate boundary where two plates move toward each other
transform boundary a plate boundary where two plates move past each other in opposites directions
subduction the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary.
ocean trench long, deep formation on the ocean floor that develops where two tectonic plates are moving toward each other, and one is moving under the other.
tectonic plate a piece of earth's crust that, according tectonics, is pushed by movement in the asthenosphere
lithosphere the cool, solid outer shell of earth. it consists of the crust and the rigid uppermost part of the mantle and is broken up into segments, or plates
fracture the breakage of a rock into two or more pieces.
elasticity the ability of rock to be stretched and then return to its original position once the stress has been removed
stress the amount of force being applied to a rock or surface
strain change in volume, size, or shape that results from stress.
plate boundary
oceanic crust
friction
rift valley
Created by: user-2013453
 

 



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