Vocab Words

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Across
  1. 2. – Average concentration of an element in the crust (16 letters)
  2. 4. – Decline in soil quality (11 letters)
  3. 5. – Subsoil where minerals accumulate (8 letters)
  4. 8. – Breakdown of rocks through chemical reactions (18 letters)
  5. 9. – Distinct layer of soil (7 letters)
  6. 10. – Mining underground deposits (16 letters)
  7. 12. – Soil layer mostly of organic matter (8 letters)
  8. 13. – Removing surface layers to expose ore (11 letters)
  9. 14. – Leached soil layer, lighter in color (8 letters)
  10. 17. – Mixture of minerals, organic matter, air, and water (4 letters)
  11. 18. – Breakdown of rocks without chemical change (18 letters)
  12. 20. – A common form of acid precipitation (8 letters)
  13. 21. – Large hole dug to extract near-surface ore (13 letters)
  14. 22. – Element or alloy with luster and conductivity (5 letters)
  15. 23. – Extracting minerals from river sediments (12 letters)
  16. 24. Topsoil layer with minerals and organic matter (8 letters)
Down
  1. 1. – Dark, nutrient-rich organic material (5 letters)
  2. 3. – Rain, snow, or fog with a pH lower than normal (17 letters)
  3. 6. – Movement of rock or soil by wind, water, ice, or gravity (7 letters)
  4. 7. – Blasting the tops off mountains to access coal (18 letters)
  5. 11. – Waste material left after ore extraction (12 letters)
  6. 12. – Rock containing valuable minerals or metals (3 letters)
  7. 15. – Layer above bedrock, partially weathered (8 letters)
  8. 16. – Known quantity of a resource that can be mined profitably (7 letters)
  9. 19. – Original rock or sediment from which soil forms (14 letters)