Earth's Interior and Convection and the Mantle
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Created by:
monicabuck on September 15, 2010
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Description:
Book F, key terms from pp.6 and 14
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16 terms
Terms | Definitions |
|---|---|
 seismic waves | vibrations that travel through Earth carrying the energy released during an earthquake |
| pressure | the force exerted on a surface divided by the area over which the force is exerted |
| crust | the layer of rock that forms Earth's outer surface |
| basalt | a dark, dense, igneous rock with a fine texture, found in oceanic crust |
| granite | a usually light colored igneous rock that is found in continental crust |
| mantle | the layer of hot, solid material between Earth's crust and core |
| lithosphere | a rigid layer made up of the uppermost part of the mantle and the crust |
| asthenosphere | the soft layer of the mantle on which the lithosphere floats |
| outer core | a layer of molten iron and nickel that surrounds the inner core of the Earth |
| inner core | a dense sphere of solid iron and nickel at the center of the earth |
| radiation | the transfer of energy through space |
| conduction | the transfer of heat within a material or between materials that are touching |
| convection | the transfer of heat by movement of a fluid |
| density | the amount of mass in a given space; mass per unit volume |
| convection current | the movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another |
| "In the beginning, God created the heavens and the earth." | Genesis 1:1 |
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