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