Across
- 4. center of the earth
- 6. substance's mass per unit of volume
- 8. thickest earth layer
- 11. large scale processes that affect the earths crust
- 12. An area of fracturing between rocks resulting from stress
- 13. the amount of force pushing on a surface
- 14. uppermost layer of the oceanic plates
- 16. a vibration that travels through earth
- 17. region of the upper mantle of earth
- 19. two tectonic plates pushing away from each other
Down
- 1. thinnest earth layer
- 2. two tectonic plates colliding
- 3. geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle at convergent boundaries.
- 4. features expressed on the surface
- 5. Rigid, outermost rocky shell
- 7. science that deals with the earth's physical structures
- 9. two tectonic plates sliding past each other
- 10. the transfer of heat energy by fluid
- 15. piece of the lithosphere that moves on the asthenosphere
- 18. supercontinent that existed during the late Paleozoic and early Mesozoic eras