Across
- 2. the thing that is changed thanks to erosion and weathering
- 4. a nutrient-rich type of dirt that shares a name with a middle eastern chickpea dish.
- 6. How easily water can move through soil
- 11. A technique that plants trees in between large, flat fields to prevent wind erosion.
- 13. What is done with corn and soybeans to keep nutrients in the soil; a sustainable farming practice that prevents soil damage
- 14. a 3D art medium and the smallest particle type found in soil
- 18. a type of fertilizer made from feces and decayed plants and animals that adds nutrients to soil
- 19. the process that removes weathered material via wind or water
- 20. the process that breaks down rocks into smaller pieces that are moved via erosion
- 21. The amount or percent of space between particles in soil
- 23. the second layer of dirt that contains decayed and living organisms and roots; topsoil
Down
- 1. the perfect mix of all three particle sizes that is very good for plant growth
- 3. the process in which humans, animals, or machinery push down soil, compressing the layers
- 5. Unsustainable _______ practices can damage and destroy soil.
- 7. something humans and soil needs and is found in our atmosphere
- 8. Topsoil is a ______ resource but that doesn't mean we should misuse it!
- 9. the process where water removes nutrients from soil and into other bodies of water or lower horizons of soil
- 10. the largest of the particles that holds no water and no nutrients
- 12. called "subsoil" and is below the topsoil. Nutrients from above are leached down into this layer.
- 15. the mix of different sizes of particles in a soil sample
- 16. the bedrock at the very bottom of all layers
- 17. the middle of the three particle sizes that holds a decent amount of water and nutrients
- 22. the first layer of soil that is mostly leaf litter and organic material