click below
click below
Normal Size Small Size show me how
Continental Drift
| Term | Definition |
|---|---|
| 1.Theory of Continental drift | The movements of the earth's continents. |
| 2.Pangea | A hypothetical continent with all land masses. |
| 3.Inner Core | A primarily solid ball with radius of about 1,220. |
| 4.Outer Core | A liquid layer about 2,266 km. thick. |
| 5.Mantle | Cloak. |
| 6.Crust | A hard outer layer. |
| 7.Lithosphere | The rigid outer part of the earth. |
| 8.Asthenosphere | The upper layer of the earth's mantle. |
| 9.Continental Crust | The relatively thick part of the earth's crust. |
| 10.Oceanic Crust | A relatively thin part of the earth's crust. |
| 11.Divergent boundary | A linear feature that exists between the two tectonic plates. |
| 12.Convergent boundary | A destructive plate boundary. |
| 13.Transform boundary | A conservative plate boundary. |