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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|