Across
- 5. - Large body of saltwater (6 letters).
- 6. - The process of volcanic material being expelled (11 letters).
- 9. - Underground reservoir of water (9 letters).
- 11. - The study of earthquakes (9 letters).
- 13. - The layer of Earth where tectonic plates move (6 letters).
- 14. - A stable part of the continental crust (7 letters).
- 15. - Related to earthquakes (7 letters).
Down
- 1. - A large mass of ice moving slowly over land (7 letters).
- 2. - Study of water (10 letters).
- 3. - The process by which rocks break down (6 letters).
- 4. - Molten rock that reaches the Earth's surface (4 letters).
- 7. TECTONICS - Large-scale movements of the Earth's lithosphere (14 letters).
- 8. - The solid outer layer of the Earth (7 letters).
- 10. - Sudden shaking of the ground (9 letters).
- 12. - The upper layer of earth in which plants grow (4 letters).