Across
- 3. system of connected underwater mountain ranges
- 7. a specialist in the history of the Earth recorded in rocks
- 11. The uppermost division of the solid earth,
- 13. vibration from underground
- 14. the act of applying force
- 15. a fissure in the earth's crust through which gases erupt
- 16. movement of the edge of one tectonic plate under another.
Down
- 1. hypothesis of continents used to be Pangea
- 2. process that occurs at mid-ocean ridges
- 4. movement of plat techonics
- 5. putty like layer
- 6. The theory that the Earth's crust and upper mantle
- 8. A deep depression in the ocean floor caused by the convergence
- 9. Transform: Dextral transform. Sinistral transform.
- 10. study of magnetic fields recorded in rocks, sediment, or archeological materials
- 12. A mantle is a layer inside a planetary body bounded below by a core and above by a crust