Ground, Surface, Pollution Notes Crossword

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Across
  1. 2. the harful substances that cause damage to our natural environment
  2. 8. ______, industrial waste, landfuls, chemicals are the most common source of ground water pollution
  3. 12. when we use water at a faster rate than can be replenished
  4. 13. the natural word being contaminated with toxins or harful substances
  5. 14. lakes made to store water, they are stored behind a dam
  6. 15. _____ source when harful substances are put directly in water
  7. 16. the percent of rock that contains pore space
  8. 17. what type of water is the planets most precious natural resource?
  9. 18. Oceans, lakes, rivers, and ponds are examples of ________ water
  10. 20. is the process of farming, can deplete ground water resources
  11. 21. a geological process that stores ground water
Down
  1. 1. when the ground water is lost and the land sinks
  2. 3. pore spaces are filled with water, zone of ________________
  3. 4. natural discharge of groundwater (ground water notes)
  4. 5. all of the land area whose water drains into a steam system
  5. 6. are holes dug or drilled to access ground water (ground water notes)
  6. 7. ____ irrigation is how we can save water in agriculture
  7. 9. _____ source when harful substances are indirectly put into the environment
  8. 10. pore spaces are filled with air, zone of __________
  9. 11. the process where an algae bloom blocks photosyntehsis and kills fish and aquatic plants
  10. 19. the measure of ability to tranfer fluids