Across
- 2. Opening on the Earth's surface through which molten rock, ash, and gases are ejected.
- 4. When snow, ice, and rock debris rapidly fall down a slope.
- 7. plates The sections of rock which Earth's crust is made of.
- 9. When rock, soil, and debris rapidly fall down a slope.
- 11. Molten rock deep beneath the Earth's surface.
Down
- 1. A boundary between tectonic plates which appears as cracks on the Earth's surface.
- 3. Molten rock that pours out of a volcano onto the Earth's surface.
- 5. The process by which sediments are carried away from their original location.
- 6. The process by which rock break down into smaller pieces.
- 8. A huge ocean wave cause by an underwater earthquake.
- 10. A shaking movement of the ground caused by a sudden shift of the Earth's crust.