Soil Crossword

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Across
  1. 5. Factor in soil formation that involves living things known as decomposers
  2. 6. Decomposed organic matter
  3. 13. Break down into small particles
  4. 14. Type of soil that water drains most quickly
  5. 15. Layers of soil are called
  6. 16. Considered to be the most ideal type of soil that makes up fertile lands
  7. 17. These help decompose dead organisms
  8. 18. Very poor type of soil for plants
  9. 20. Substances in soil that are used by living things to survive
Down
  1. 1. One of the organisms that live in the soil, a decomposer
  2. 2. Factor in soil formation that involves precipitation and temperature
  3. 3. Factor in soil formation that involves the shape of the land
  4. 4. Number of major layers of soil
  5. 7. This nonliving component of soil determines the fertility
  6. 8. Soil filters and cleans this
  7. 9. One of the parts of the mixture of soil
  8. 10. Most important characteristic of soil
  9. 11. small part of broken down rock
  10. 12. Bottom layer of soil
  11. 19. This covers all the Earth's surface