| __ | 1. | continental drift | | A. | the middle layer of Earth |
| __ | 2. | deposition | | B. | downhill shifting of rock and soil because of gravity |
| __ | 3. | erosion | | C. | theory of how continents move over Earth's surface |
| __ | 4. | fault | | D. | remains or traces of past life found in the crust |
| __ | 5. | fossils | | E. | place where pieces of the crust move |
| __ | 6. | magma | | F. | hot, soft rock from the lower mantle |
| __ | 7. | mantle | | G. | process of moving sediment from one place to another |
| __ | 8. | mass movement | | H. | process of dropping sediment in a new location |
| __ | 9. | plate | | I. | rigid block of crust and upper-mantle rock |
| __ | 10. | volcano | | J. | opening in the crust through which lava flows |