Soil Unit Review

123456789101112131415
Across
  1. 2. the layer of soil made up of decayed plants and animals
  2. 6. people put this on their garden to add extra nutrients to the soil
  3. 8. the second layer of soil
  4. 12. feed on dead creatures to release nutrients back into the soil
  5. 13. one type of erosion
  6. 14. one type of erosion
  7. 15. the best type of soil to use to grow plants
Down
  1. 1. the process that breaks down organic materials to create compost
  2. 3. how many steps there are in the compost cycle
  3. 4. an item that can not be composted (e.g. chicken or steak)
  4. 5. an item that can be composted (e.g. carrot)
  5. 7. the top layer of soil
  6. 9. the layer of soil made of soil rock
  7. 10. an item that can be composted (e.g. banana peel)
  8. 11. one type of erosion