Plate Tectonics
Across
- 2. The process of continents breaking up, subsiding and allowing in the sea
- 5. a place where extremely hot material from inside the earth erupts to the surface
- 7. Crust- Crust that forms the continents
- 8. Wave- the shaking, eave like movement of the ground in an earthquake
- 9. where plates are sliding parallel to each other but in opposite directions
- 12. molten rock that has erupted onto the earth's surface
- 13. The process of crust spreading apart.
Down
- 1. Crust- Crust that is found on the ocean floor
- 2. an instrument that detects seismic waves from an earthquake
- 3. The point on the earth's surface directly above the focus
- 4. Tectonics- the theory that the earth's crust is cracked into many large pieces that move across the asthenosphere
- 6. Trench- A deep trench in the ocean floor that is much deeper than the rest of the ocean floor
- 8. Spreading- The process of new crust being formed at ocean ridges, and spreading out
- 10. a huge wave in the ocean caused by an earthquake on the seafloor
- 11. molten rock below the earths surface