| A | B |
|---|
| Core | The Central part of Earth below the mantle |
| Crust | The thin and solid outer layer of Earth above the mantle. |
| Mantle | The layer of rock between Earth's crust and core |
| Lithosphere | the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle. |
| Asthenosphere | the soft layer of the mantle on which the tectonic plates move |
| Inner core | The solid layer, mostly of iron and nickel, under extreme pressure and approximately 5,000 degrees centigrade. |
| Outer Core | the liquid iron and nickel layer of the Earth |
| Continental Crust | The thick non-dense part of the Earth's crust |
| Oceanic Crust | The thin, very dense part of the Earth's crust |
| Mesosphere | The lowest part of the mantle |
