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ch 5 key terms
31 of them!
| Question | Answer |
|---|---|
| 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
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