| __ | 1. | Continents | | A. | A thin rocky shell that form the surface of the Earth. |
| __ | 2. | Core | | B. | Seven large land areas |
| __ | 3. | Crust | | C. | Center of the Earth, hot iron mixed with rocks and metals |
| __ | 4. | Earthquakes | | D. | Layer of dense rock surrounding the core. |
| __ | 5. | Erosion | | E. | Sudden and violent movements of the Earth's crust. |
| __ | 6. | Faults | | F. | Melted rock that is underground |
| __ | 7. | Magma | | G. | Water,ice, chemicals, and even plants break rocks apart. |
| __ | 8. | Mantle | | H. | Theory of why the continents were formed and why they move. |
| __ | 9. | Plate Tectonics | | I. | Cracks in the Earth's crust |
| __ | 10. | Weathering | | J. | Weathering breaking rocks into smaller pieces is called? |