Question Answer
Continental Drift The hypothesis that the sat_flash_1s 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