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Guenin SS ch2
Social Studies Chapter 2 vocabulary words 6th
| Term | Definition |
|---|---|
| orbit | the path one body makes as it circles around another. |
| revolution | circular motion. |
| axis | an imaginary line through earth between the North and South poles, around which earth turns. |
| rotation | a complete turn. |
| core | a sphere of very hot metal at the center of earth. |
| mantle | the thick layer around earths core. |
| crust | the thin, rocky layer on earths surface. |
| magma | soft, molten rock. |
| plate | a huge block of earths crust. |
| weathering | a process that breaks down into small pieces. |
| erosion | the removal of small pieces of rock by water, ice, or wind. |