Across
- 3. A mountain or hill made by hot rocks and gases
- 6. A mixture of sand, silt, clay, rock, and humus
- 9. The rapid, downward slide of rocks and mud
- 14. and animal remains)
- 15. makes the ground shake or crack
- 17. Resources that
- 22. Materials from Earth that can be replaced by
- 24. To hold inside, as soil does with water
- 25. usually has a smooth texture
- 26. to the surface of Earth from deep inside
- 27. and destructive use
Down
- 1. A component of soil made by the weathering of
- 2. The top layer of soil
- 4. into tiny grains; has a rough and gritty
- 5. A component of soil made of very tiny grains;
- 7. natural gas, rocks,
- 8. trees
- 10. A sudden release of energy under Earth’s surface
- 11. a lifetime (coal,
- 12. A component of soil made of small pieces of rock;
- 13. and soft when wet but turns hard when dry
- 16. minerals)
- 18. natural processes
- 19. be replaced
- 20. The protection of resources and avoidance of
- 21. To break open suddenly
- 23. within a relatively short period of time; for