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vibrations that travel through earth carrying the energy released during a earth quake
the mobement of a fluid caused by differences in temperature that transfers heat from one part of the fluid to another
the name of the single land mass that broke apart 200 million years ago and gave a rise to todays contients
an undersea mountain chain where new ocean floor is produced a divergent plate boundary
a device that determines the distance of an object under water by recording echoes of sound waves
a deep valley alond the ocean floor beneath which oceanic crust slowly sinks toward the mantle
the process in which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate
a section of the lithosphere that slowly moves over the asthenosphere carrying pieces of continental and oceanic crust
the theory that pieces of earths lithosphere are in constant motion driven by convection currents in the mantle
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