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Plate Tectonics Voca
Inside The Earth
| Term | Definition |
|---|---|
| Theory Of Continental Drift | The land masses once were all connected,since then they have all moved apart to form the continents that they are today. |
| Pangaea | This was a super continent, made up of all the land. |
| Inner Core | Is solid,and iron rich. |
| Outer Core | Is fluid, and made of metal. |
| Mantle | Solid and rocky. It is 82% of the earth's volume. |
| Crust | Outer most layer, and thinnest layer. |
| Lithosphere | Above The asthenosphere. It is a strong rigid layer. It is made of cool rocks. |
| Asthenosphere | Is in the upper portion of the mantle. It is made of hot rocky material. It is plastic like. Between a depth of 100-600. |
| Continental Crust | Is found underneath land, it is the thicker crust. |
| Oceanic Crust | Is found underneath the ocean, it is the thinner denser crust. |
| Divergent Boundary | When two plates move apart. (Divides) |
| Convergent Boundary | When two plates move together. (Crash, Collide) |
| Transform Boundary | When two plates grind past another. |