Plate tectonics
Across
- 2. mountain which can burst any time
- 5. Large aera of land
- 6. Relating to the ocean
- 9. Shaking of the ground
- 12. Supercontinent that includes all current landmasses
- 14. Part of Earth were living thing exist
- 16. slow movement of Earth's continents
- 18. Tectonic process
- 19. Thin, outer portion of the Earth
Down
- 1. Sound navigation and ranging
- 3. Very large aera of land
- 4. Black rock that comes from volcanos
- 7. Theory of global tectonics
- 8. something caused by an earthquake
- 10. Remains or trace of a living thing
- 11. German researcher geophysicst and metorologist
- 13. Thick, dence layer of rock that underlines Earth's crust
- 15. spreading: Process that occurs at mid-ocean ridges
- 17. San Andreas Fault line