Environmental Science: Soil

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Across
  1. 3. bedrock, unweathered parent material
  2. 5. the proportions of different particle sizes
  3. 7. weathered parent material
  4. 11. a mix of humus and mineral matter in the soil proile
  5. 12. this type of slope often has poorly developed soil
Down
  1. 1. what all soil forms from
  2. 2. the average percentage of organic matter in soil
  3. 4. the top layer of organic matter in the soil profile
  4. 5. the average percentage of air in soil
  5. 6. a mix of clay and mineral matter in the soil profile
  6. 7. the smallest soil size
  7. 8. the decayed remains of organisms
  8. 9. the largest soil size
  9. 10. a mixture of sand, silt and clay