Across
- 3. a fissure in the earth's crust through which gases erupt
- 6. rich in implication
- 11. the lower layer of the crust
- 12. movement of the edge of one tectonic plate under another
- 13. outer layer of the earth
- 15. plate plate below the north american plate
- 16. core hot, dense ball of (mostly) iron.
Down
- 1. the act of putting something somewhere
- 2. super continent made up of all continents
- 4. the amount per unit size
- 5. the exertion of force to a surface
- 7. transfer of heat caused by molecular motion in liquid or gas
- 8. core fluid layer about 2,260 km
- 9. the layer under the earth
- 10. plate plate covering most of North America
- 14. The center of an object