Across
- 2. Molten liquid rock above ground
- 5. Pieces of Earth's crust that move into one another
- 7. A layer of Earth that is molten liquid rock
- 10. Minerals clumped together forming a solid object
- 11. A famous one is Mount Vesuvius
- 12. Black volcanic glass
- 14. Our planet
- 15. Pieces of Earth's crust that slide next to each other
Down
- 1. The super continent
- 3. Pieces of Earth's crust that move away from one another
- 4. Molten liquid rock under the Earth
- 6. A ground shaking event
- 8. Large-scale processes affecting Earth's crust
- 9. The rigid outermost part of Earth's crust
- 13. A large expanse of ground on a bed of magma