Soil

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Across
  1. 5. Soil provides the ________ and nutrients that a plant needs.
  2. 6. _______ is made up of small grains of worn-down rock and does not hold water well.
  3. 8. __________ are materials that plants and animals need to live and grow.
  4. 10. ________ is the bottom layer of soil.
  5. 11. Subsoil and bedrock are not as good for __________ plants as topsoil.
  6. 12. Soil is made up of rock, ______, silt, sand, and humus.
  7. 13. Soil takes a ________ time to form, and therefore should be conserved.
Down
  1. 1. ________ is the middle layer of soil.
  2. 2. ________ grow best in the topsoil
  3. 3. We can ___________ soil by planing plants and trees.
  4. 4. ________ is decayed matter in soil.
  5. 7. Soil is a ________ resource.
  6. 9. _______ is a natural product of subsoil and bedrock.
  7. 10. Over many years, weather, water, and living organisms help _______ down rocks and create soil.