Weathering and Soil

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Across
  1. 3. The shape of the land, which influences soil formation
  2. 6. Type of rain where weak acids dissolve minerals in rocks
  3. 7. Living organisms that help mix soil and break down material
  4. 9. The movement of rock or soil by wind, water, or ice
  5. 11. Small spaces in soil that hold air and water
  6. 12. A mixture of weathered rock, organic matter, water, and air
  7. 13. Thw type of weathering where the breakdown of rock through chemical changes
  8. 15. Oxygen reacts with minerals, forming rust
  9. 17. Thw type of weathering where the physical breakdown of rock without changing its composition
  10. 18. Largest soil particles; drains water quickly
  11. 19. The solid rock layer beneath soil horizons
Down
  1. 1. Layers of soil with different properties
  2. 2. The process of breaking down rock into smaller pieces
  3. 4. Weather conditions that affect soil and weathering rates
  4. 5. Material in which the original rock that breaks down to form soil
  5. 8. The process of breaking down dead plants and animals into soil
  6. 10. Medium-sized soil particles; holds some water
  7. 14. Smallest soil particles; holds water well
  8. 16. Matter Decomposed plant and animal remains that provide nutrients