Across
- 2. Knowledge on which to base belief
- 6. The bottom of a sea or ocean
- 7. Cause to change; make different
- 8. Plates that pull apart
- 12. Zones where mass of the crust is moving under another
- 14. A single thickness of some substance or material
- 15. The branch of geology studying the folding and faulting of the earth's crust
- 17. Area of land that existed 245 million years ago
- 18. A large continuous extent of land
- 20. One of the large landmasses of the earth
Down
- 1. a specialist in the history of the Earth recorded in rocks
- 3. A scientist devoted to systematic investigation
- 4. Crash together with violent impact
- 5. Pertaining to the structure or movement of the earth's crust
- 9. Long narrow depression on the sea floor
- 10. Incapable of or resistant to bending
- 11. Plates that push together
- 13. Of or relating to or characteristic of the crust of the earth or moon
- 16. Pushes magma up through a thin hole
- 19. Caused by an earthquake or earth vibration