Across
- 2. Black or brown substance resulting from the decay of plant & animal matter
- 4. Layers in a mature soil resulting from differing amounts of weathering
- 5. Process of breaking down rocks and minerals through the action of weather
- 10. Tells us what the land can be used for
- 13. Layer on top of the earth that supports life
- 14. Probability that a flood of a given degree of severity will occur in a known period of time
- 15. Partially decomposed tissue that still resembles the original material
- 16. Second layer of soil
- 17. Relative percentage of sand, silt and clay in a given soil sample
- 18. Change in elevation for a given horizontal distance
- 19. Surface layer of soil with the most productivity
- 20. Material underlying the soil that it is developed from
Down
- 1. Dead plant and animal material that has many functions in soil
- 3. Ability of soil to allow water to move through and out of the soil structure
- 6. System that describes the characteristics of soil
- 7. Windblown soil deposits
- 8. Deposited by moving water
- 9. Layer of soil deposited over time on the ocean floor
- 11. Process of weathering away layers of soil
- 12. Document classifying all of the soils in a given area