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Earth's Interior
Question | Answer |
---|---|
continental crust | The portion of the earth's crust that primarily contains granite, is less dense than oceanic crust, and is 20-50 km thick |
oceanic crust | thinner, more dense, younger crust making ocean floor |
Lithosphere | the rigid outer part of the earth, consisting of the crust and upper mantle. |
Moho | boundary between crust and mantle |
Asthenosphere | The soft layer of the mantle on which the lithosphere floats. |
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 |
inner core | A dense sphere of solid iron and nickel at the center of Earth |