Chapter 8 Crossword Puzzle

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Across
  1. 1. water solution that contains an excess of hydrogen
  2. 4. a narrow shallow channel formed by water erosion on a slope
  3. 5. the uppermost nutrient rich part of soil
  4. 7. a chemical reaction that occurs when atoms or ions lose electrons
  5. 9. the removal of weathered materials from a place by agents
  6. 10. the chemical weathering of minerals by a reaction with water
  7. 12. decayed organic material in soil
  8. 13. the fracturing of rocks due to reduction of pressure
Down
  1. 2. the process by which one productive lands have become increasingly desert
  2. 3. a deep channel in sediment or soil caused by water erosion
  3. 6. a loose complex mixture of mineral grains on earth surface
  4. 8. the dissolving of substances
  5. 11. angular boulders that accumulate in a pile of a cliff or steep slope