Across
- 2. Partially decomposed plant and animal matter
- 4. Largest rock particle
- 6. Where water is retained the most
- 7. Each layer beneath the surface
- 9. Topsoil horizon
- 10. Loosens and mixes soil; another word for plowing
- 11. Bedrock horizon
- 13. intermediate space between particles
- 14. The movement of water through soil
- 15. Shows the layers of soil beneath the surface
- 16. Matter obtained for photosynthesis; obtained from the soil
- 17. Where the Dust Bowl took place
- 18. Molecular nature of rock is changed due to reactions
Down
- 1. Physical breakdown of rock by wind, water, etc.
- 3. Greatest ecological disaster in U.S. history
- 5. Parent material horizon
- 6. Matter obtained for photosynthesis; obtained from the air
- 8. Humus horizon
- 12. Ideal for farming; moderate water retention
- 13. Classifies soil based on the relative amounts of each particle