Plate Tectonics
Across
- 2. An area in the ocean floor that is a lot deeper then the rest of the ocean
- 3. A theory that the earths crust is broken into large pieces that move on semi-solid rock in the lower mantle
- 7. When new crust is formed that spreads outwards
- 8. A huge wave that begins on the seafloor caused by an earthquake
- 9. The shaking of the ground during an earthquake
- 10. An item which can calculate the movement of the ground due to an earthquake
- 11. When continents break apart allowing the sea through
- 12. rock which is found below the earths surface
- 14. An area where boiling hot materials from the inside of the earth erupt
- 15. The area which is exactly above the earthquake
Down
- 1. When tectonic plates start to move causing the ground to begin to shake
- 2. Is what creates the ocean floor
- 4. Is what creates the continents
- 5. When the earth has crust sinking down into it
- 6. When continents drift apart across the ocean
- 13. rock that has moved onto the Earths surface