Across
- 4. How quickly water can move through soil.
- 5. The solid rock layer beneath all the soil.
- 6. , The largest soil particle; feels gritty.
- 7. A medium-sized soil particle; feels smooth like flour.
- 9. The “ideal” soil mix of sand, silt, and clay.
- 10. How much open space soil has to hold water or air.
- 12. The smallest soil particle; feels sticky when wet.
Down
- 1. , The lighter-colored layer under topsoil, with less organic matter.
- 2. Loose rock fragments larger than sand.
- 3. A distinct layer of soil with different properties.
- 4. material, The original rock or sediment that soil forms from.
- 6. The loose material on Earth’s surface where plants grow.
- 8. , The dark, nutrient-rich upper layer of soil.
- 10. A vertical section showing all soil horizons.
- 11. The way soil feels based on the mix of particles.