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15 terms

Earth's surface

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fault
a break in earths crust along which rocks move
epicenter
point on the surface of earth that is right above the focus of an earthquake
mantle
thickest layer of the earth found just below the crust
volcano
a mountain that forms when red-hot melted rock flows through a crack onto earth's surface
crust
earths outer layer which includes the rock of the ocean floor and large areas of land
plate
continent size slab of earths crust and upper mantle
vent
the rocky opening in a volcano that which magma rises toward the surface
core
the dense center of earth which is a ball mostly made of two metals
earthquake
a vibration or shaking of earth's crust
magma chamber
an underground pool that holds magma below a volcano
crater
a large basin formed at the top of a volcano when the top falls in on itself
lava
melted rock that reaches earth's surface
focus
the point underground where the movement of an earthquake first takes place
seismograph
an instrument that records earthquake waves
magma
melted rock inside earth