Across
- 1. A large sheet of ice that moves slowly over the land
- 3. The outer layer of the earth
- 4. The breaking up or wearing away of rocks
- 6. Any unwanted matter that has been added to the air, water, or soil
- 8. A hole in the earth's crust through which melted rock flows
- 9. Melted rock found below the earth's crust
Down
- 2. A shaking of the Earth's crust
- 5. The moving of weathered rocks and soil from one place to another place.
- 7. When magma flows over the crust