Layers of Soil

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Across
  1. 2. small pieces of decayed plants and animals
  2. 3. layer of soil where no plants or animals can be found
  3. 5. the smallest rock particle
  4. 6. Humus provides ________ for plants.
  5. 8. remains of dead plants and animals
  6. 9. Worms move in soil making passageways for ______ and ______.
  7. 11. Not all soils are ________.
  8. 12. layer that contains mostly large broken pieces of rock
  9. 14. Pieces of rock that are smaller than sand
Down
  1. 1. a tightly packed layer of minerals
  2. 4. Rocks, air and water are ______ ______.
  3. 7. layer containing plant roots and animals can be found here
  4. 10. another name for soil
  5. 13. Soil is made of several sizes of _______.