Water Quality Vocabulary

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Across
  1. 4. When heavier particles settle to the bottom of the water.
  2. 5. Adding chemicals to make particles stick together and form larger clumps.
  3. 8. Caring for and managing natural resources responsibly.
  4. 10. The process where small particles clump together into larger ones.
  5. 13. A measure of how acidic or basic the water is (scale 0–14).
  6. 14. Quality How clean or healthy the water is for living things.
  7. 15. A living organism used to test the health of a water system.
  8. 16. The process of cleaning water to make it safe to use.
  9. 17. All the water on Earth — in oceans, rivers, lakes, and the atmosphere.
Down
  1. 1. The process of removing particles from water by passing it through materials.
  2. 2. Killing harmful microorganisms, often with chlorine or UV light.
  3. 3. How clear or cloudy the water is; high turbidity means more particles.
  4. 6. Nutrients that can cause harmful algae blooms in excess.
  5. 7. Oxygen The amount of oxygen available in water for aquatic life.
  6. 9. Chemicals that can cause algae growth when too concentrated in water.
  7. 11. When harmful substances pollute water.
  8. 12. Water that is safe to drink.