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6th gr Geology
Earth's Structure
Term | Definition |
---|---|
Inner Core | The solid part found in the center of the Earth. |
Outer Core | The hot, liquid region of the center of the Earth. |
Mantle | The Earth’s thick middle layer. |
Asthenosphere | The upper layer of the mantle. |
Lithosphere | The crust + the asthenosphere |
Crust | The solid outside layer of the Earth. |
Oceanic Crust | The most dense part of the Earth’s crust. |
Continental Crust | The less dense area of the Earth’s crust. |
Plasticity | The ability of a solid to flow like a liquid. |
Convection Current | The transfer of thermal energy in a solid or liquid where the warmer material rises and the cooler material sinks. |
Composition Layers | Compositional layers deal with the elements or chemical structure of the layer. |
Mechanical Layers | The physical properties that allow the movement that can be observed on Earth. |