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Earthquakes Vocab (Science, 2014, 6th grade)
Terms in this set (20)
The theory that continents can drift
Boundary where two tectonic plates come together
Thin outermost layer of the Earth
Boundary where two tectonic plates move apart
Point on the Earth's surface that lies directly above an earthquake's focus
Crack in a rock, one or both sides of which have moved in relationship to the other
Point within the Earth where movement along a fault creates an earthquake
Solid innermost layer of the Earth.
Molten rock that erupts from the Earth.
Outer layer of the Earth, composed of the crust and outermost portion of the mantle.
Name for lava before it reaches the Earth's surface.
Size of an earthquake measured by the amount of energy released.
Mostly molten layer of the Earth located below the crust.
Undersea mountainous ridge and divergent plate boundary that circles the Earth.
Scale used to measure the magnitude of earthquakes.
Shock wave caused by an earthquake.
Instrument used to record the movement of the ground during an earthquake.
A geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate.
Rigid moveable sections of the lithosphere.
Boundary where two plates slide past each other.
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