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3.1 Vocabulary
Layers of the Earth
| Term | Definition |
|---|---|
| asthenosphere | the soft layer of the mantle on which the lithosphere floats |
| basalt | a dark, dense, fine-textured rock found in the oceanic crust |
| crust | the layer of rock that forms Earth's outer surface |
| granite | a usually light-colored igneous rock that is found in the continental crust |
| inner core | a dense sphere of solid iron and nickel at the center of the Earth |
| lithosphere | a rigid layer made up of the crust and uppermost part of the mantle |
| mantle | the layer of hot, solid material between Earth's crust and core |
| outer core | a layer of molten iron and nickel that surrounds the inner core of Earth |
| pressure | the force exerted on a surface divided by the total area over which the force is exerted; force/total area |
| seismic waves | vibrations that travel through Earth carrying the energy released during an earthquake |
Created by:
anorris
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