Across
- 3. divergent boundary in the ocean where new crust is created and sea floor spreads
- 6. a steep-sided volcano
- 8. moving pieces of crust
- 9. the emission of volcanic products such as lava, ash, and gases from a volcano.
- 11. a large volcanic crater
- 12. plates move past one another
- 14. Thick crust, land
- 16. a broad, dome-shaped volcano
- 17. small solid particles that are emitted from a volcano during an eruption into the atmosphere.
Down
- 1. vents through which lava and gases erupt.
- 2. more dense plate pushes into the mantle at a convergent boundary
- 3. melted Earth beneath the surface.
- 4. Boundary where plates move apart
- 5. Where magma is stored beneath the surface.
- 7. boundary where plates move towards each other
- 10. Thin crust under water
- 13. semi-solid, thick, very hot layer beneath the crust.
- 15. melted rock on Earth's surface