Plate Tectonics by Cole Murphy
Across
- 5. The outer most layer of the earth.
- 6. The ________ boundary where plates move away fom each other.
- 8. The innermost layer of the earth.
- 9. The hypothesis that continents slowly move across the earth's surface is __________ drift.
- 13. The ________ boundary where plates slide past each other.
- 14. The result of force distributed over an area.
- 15. Earthquakes often occur at _______.
- 16. The layer of hot viscous rock between the crust and core.
- 17. _______ is the amount of mass in a given volume.
Down
- 1. The earth's surface is always _________.
- 2. The name of the process where one tectonic plate moves under another and sinks into the mantle.
- 3. Who first proposed Plate Tectonics theory?
- 4. In order for an idea to become a theory you need.
- 7. Transform Boundaries can cause _______.
- 9. The _______ boundary is where plates move towards each other.
- 10. San Andreas fault is a _________ boundary.
- 11. How many layers make up the earth?
- 12. Divergent Boundaries cause oceans to grow _______.