The earth
Across
- 3. the preserved remains of plants and animals whose bodies were buried in sediments
- 5. metamorphic rock easily split into smooth, flat plates
- 6. hot fluid material below the earthcrust
- 8. happens when tetonic plates dont move smoothly
- 11. an area of volcanic activity
- 12. the hot centre of the earth
- 14. substance naturally formed in the earth
- 16. clear transparent mineral
- 17. A pale grey sedimentary rock common in NZ
- 19. not active volcano
- 20. an extended break in a rock formation
Down
- 1. a layer within the Earth between the crust and the core
- 2. these occur at "hotspots" in the crust were plates meet
- 4. form when hot, molten rock crystallizes and solidifies
- 7. a very light and porous volcanic rock
- 9. plates that float on the mantle
- 10. not having erupted in recorded history.
- 13. the point on the earth's surface vertically above the focus of an earthquake.
- 15. the solid outer layer of the earth
- 18. hot, liquid rock