Soil Vocabulary 1

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Across
  1. 1. dark-colored organic substance that forms as plant and animal remains decay.
  2. 3. solid layer of rock beneath the soil.
  3. 5. organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals
  4. 8. this is when water passes through the horizons carrying nutrients with it.
  5. 9. a layer of soil that differs in color and texture from the layers above or below it.
  6. 10. soil that is made up of about equal parts of clay, sand, and silt.
Down
  1. 2. horizon B is made of this and consists mostly of clay and other particles.
  2. 4. horizon A is made of this crumbly, dark brown soil that is a mixture of humus, clay, and other minerals.
  3. 6. loose weathered material on Earth's surface in which plants can grow.
  4. 7. this occurs when plants shed leaves and their remains fall to the ground.