Class 7: Chapter 9: Soil

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Across
  1. 4. The process of deterioration of rocks, soils and minerals as well as wood and artificial materials through contact with water, atmospheric gases, and biological organisms (10)
  2. 5. Percolation rate of water is least in (10)
  3. 6. A vertical section through different layers of the soil is called (11)
  4. 8. Percolation rate of water is highest in (9)
  5. 9. If soil contains greater proportion of big particles it is called (9)
Down
  1. 1. Cotton is grown in this type of soil (13)
  2. 2. Soil that is used to make pots, toys and statues (10)
  3. 3. The uppermost layer of the soil (7)
  4. 7. The rotting dead matter in the soil is called (5)
  5. 8. The mixture of rock particles and humus (4)