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Earth Layers
-6th grade Earth science vocab
Term | Definition |
---|---|
Asthenosphere | The solid layer with plasticity in the upper mantle that is located just below the lithosphere; lithospheric plates "float" and move on this layer. |
Core | The two-part layer of Earth below the mantle with a liquid outer core and a solid inner core. |
Density | The amount of matter in a given space or volume. |
Inner core | The sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core. |
Lithosphere | The cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates. |
Mantle | The solid layer of Earth between the crust and the core; made of dense silicates. |