| Across | |
| 1 | A huge piece of ice in the water |
| 3 | The wearing away of rock |
| 6 | Molten rock |
| 8 | This lies between the outer crust and the core |
| 9 | A huge wave |
| 10 | This measures the size of an earthquake |
| Down | |
| 2 | A bowl-shaped pit or depression on the surface of a planet or a moon |
| 4 | A skeleton from a dinosaur |
| 5 | An ancient volcano |
| 7 | A gas that wraps the earth |