unit 6 science vocabulary

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Across
  1. 3. things in the soil that were once alive
  2. 4. outer layer of the earth
  3. 5. medium-sized particles that feel soft, like flour
  4. 6. very tiny particles that feel sticky
  5. 7. dark, rich part of soil made of decomposed plants and animals
  6. 11. the process of breaking down dead plants and animals into nutrients
Down
  1. 1. things in the soil that were never alive
  2. 2. how soil feels based on the size of its particles
  3. 8. how good the soil is at helping plants grow
  4. 9. large soil particles that feel gritty
  5. 10. the best mix of sand, silt, clay, and humus