Soil

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Across
  1. 1. also known as the R horizon, this is a solid layer of rock
  2. 4. soil that is a mixture of clay, silt, sand, and humus
  3. 7. also known as the B Horizon, where the deep plant roots live
  4. 9. causes rocks to break down using water, wind, or ice
  5. 12. the order of the soil horizons
  6. 13. a period of severe drought and poor farming practices
  7. 14. soil with fine particles that sticks together and is slimy when wet
Down
  1. 2. also known as the C Horizon, large rocks are found here
  2. 3. a mixture of animal remains, weathered rock, plant roots, air, and water
  3. 5. also known as the O Horizon, made of organic material
  4. 6. soil is a _______ of rocks, minerals, and organic material
  5. 8. soil with particles bigger than clay
  6. 10. also known as the A Horizon, worms and bugs live here
  7. 11. soil with a gritty texture