The Nature of Soil

12345678910
Across
  1. 3. the largest size particle
  2. 4. the mid sized soil particle
  3. 5. to change for the better
  4. 8. the accumulation of decayed or partially decayed plants, animals, roots, and living organisms
  5. 10. the outer portion of the earth’s crust that supports plant growth
Down
  1. 1. the exchange of gases between the soil and atmosphere
  2. 2. the (non living) substances that come from weathered rock to form soil
  3. 6. the smallest size soil particle
  4. 7. organic matter that has reached a point of stability (will not break down any further)
  5. 9. the ease at which soil can be easily worked