Across
- 2. A circle of giant rocks- a world wonder
- 3. Forms when volcanos erupt
- 6. Forms when a rock changes in heat/pressure
- 9. A material that degrades into smaller pieces
- 10. When magma hardens beneath the earth
- 12. The study of the earth
Down
- 1. The laying down of sediment carried by wind
- 4. A rock that is created when lava erupts on earth
- 5. Ash is purified
- 7. Form from a sequence of processes
- 8. A triangular wonder of the world
- 11. The process of being liquified by heat