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