Soil Formation

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Across
  1. 2. the process of chemicals changing the molecular structure of rock
  2. 4. solid rock underlying loose deposits
  3. 5. the top layer of soil
  4. 8. materials carried downward make up this layer
  5. 10. the process of rocks changing without the molecular structure changing
  6. 12. the evolution of soil
Down
  1. 1. the geologic material from which soil horizons form
  2. 3. the organic component of soil
  3. 6. a layer parallel to the soil surface
  4. 7. the vertical section of soil from the surface layer down to where it meets rock
  5. 9. the layer of soil with dead leaves and sticks
  6. 11. the second layer of soil