Plate Tectonics and Earthquakes
Across
- 4. When plates move away from each other it’s what kind of boundary?
- 5. Hess The theory of seafloor spreading was suggested by?
- 6. The movement of the continents plates is the Continental..?
- 8. The rocks that are what are located near mid-ocean ridges?
- 11. Earthquakes are causes by Seismic..?
- 12. The layer below the lithosphere is called the?
- 16. The place where a rock breaks?
- 17. Plates collide at what kind of boundaries?
- 18. “Pangaea” is Greek for All..?
Down
- 1. How many types of seismic zones are there?
- 2. The theory stating that hot, less dense material flows up and sideways under the earth crust is called Seafloor..?
- 3. An earthquake under 2.0 is called a?
- 7. The what fit together like puzzle pieces?
- 9. An earthquake over 6.0 can cause serious?
- 10. The crust and the upper mantle makeup the?
- 11. Alfred what came up with the theory of the Continental Drift?
- 13. What is the name of the super continent suggested by Alfred Wegner
- 14. How many major crustal plates are there?
- 15. The convection current consists of heating, rising, cooling, and?