Across
- 3. mountain that shots lava
- 5. rock such as amethyst
- 6. Earth's plates bump into each other
- 10. dent form from asteroid
- 11. large piece of ice floats on water
Down
- 1. layer of the Earth
- 2. inner part of Earth
- 4. liquid and runny hot rock
- 7. gigantic rock falls from space
- 8. imaginary line around middle of Earth
- 9. last layer of Earth
- 12. liquid rock from volcanoes