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Plate Tectonics Voc.

Vocabulary Words for science...

Continental Drift The hypothesis that the contents slowly move across Earth's surface.
Pangaea The name of the single landmass that broke apart 225 million years ago rise and gave 2 days continents.
Seafloor spreading the process by which multen naterial adds new oceanic crust to the ocean floor.
Plate a section of the lithosphere that slowly moves over the asthenosphere, carring pieces of continental and oceanic crust.
Lithosphere a rigid layer made up of the upper most part of the mantle and the crust. One into which scientist divide earth.
Divergent Boundary a plate boundary where to plates move away from each other.
Convergent Boundary a plate boundary where two plates move toward each other.
Subduction the process by which oceanic crust sinks beneath the deep-oceanic trench back into the mantle at a convergent plate boundary.
Transform fault where two plates move back and forth side to side.
convection current the movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another.
Mid-ocean ridge the undersea mountain chain where new ocean floor is produced; a divergent plate boundary
Created by: -lil skittles-