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ch 5 key terms

31 of them!

QuestionAnswer
vibrations that travel through Earth carrying the energy released during an earthquake sesmic waves
the force exerted on a surface divided by the total area over which force is exerted pressure
the layer of rock that forms Earth's outer surface crust
a dark dense igneous rock with a fine texture found in oceanic crust basalt
a usually light colored igneous rock that is found in continental crust granite
the layer of hot solid material between Earth's crust and core mantle
a rigid layer made up of the uppermost part of the mantle and the crust lithosphere
the soft layer of the mantle on which the lithosphere floats asethenosphere
a layer of molten iron and nickel that surrounds the inner core of Earth outer core
a dense sphere of solid iron and nickelat the center of Earth inner core
the direct transfer of energy through space by electromagnetic waves radiation
the direct transfer of thermal energy from one substance to another substance that is touching conduction
the transfer of thermal energy by the movement of a fluid convection
the amount of mass inn a substance in a given volume; mass per unit volume density
the movement of a flud by differences in temature that transfers heat from one part of the fluid to another convection current
the hypothesis that the continents slowly move across Earth's surface continental drift
the name of the single landmass that broke apart 200 million years agoand gave rise to todays continents pangaea
a trace an acient organism that has been preserved in a rock fossil
an undersea mountain chain where no ocean floor is produced mid ocean ridge
a device that determined the distance of an object under water by recording echos of sound waves sonar
the process by which molten material adds new oceanic crust to the ocean floor sea floor spreading
a deep valley among the ocean floor beneath which oceanic crust slowly sinks toward the matle deep ocean trench
the process by which oceanic crust sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary subduction
a section of the lithosphere that slowly moves over the asthenosphere carrying pieces of of continental and oceanic crust plate
a well tested concept that explains a wide rang of observations scientific theory
the theory that pieces of Earth's lithosphere are in constant motion driven by convection currents in the mantle plate tectonics
a break or crack in Earth's lithosphere along which the rocks move fault
aa plate boundary where two platesmove away from eachother divergent boundary
a deep valley that forms where two plates move apart rift valley
a plate bboundary where two plates move toward eachother convergent boundary
a plate boundary where two plates move past eachother in opposite directions transform boundaries
Created by: laurenrichardson11 on 2011-11-21



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