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sciene vocab L6+L7

unit 2

TermDefinition
earthquake are ground movements that occur when blocks of rock in earth move suddenly and release energy.
focus is a place within earth along a fault at which the first motion of an earthquake occurs.
epicenter directly above the focus on earth's surface is the epicenter.
tectonic plate boundary is where 2 or more tectonic plates meet.
fault is a break in earth's crust along which blocks of rock move.
deformation is the process by which rock becomes deformed and changes shape due to stress.
elastic the return of rock to its orginial shape after elastic deformation is called elastic rebound.
volcano is any place where gas,ash or melted rock come out of the ground.
magma is less dense than solid rock ,so it rises toward the surface.
lava is magma that has reached earth's surface.
vent an opining of a volcano.
tectonic plates are giant sections of lithosphere on earth's surface.
hot spot is a location where a column of extremely hot mantle rock called a mantle plume,rises through the asthenosphere.
Created by: natalie k
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