Water Quality Vocabulary

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Across
  1. 3. the degree or intensity of heat present in a substance
  2. 4. any of various mechanical, physical or biological operations that separate solids from fluids (liquids or gases) by adding a medium through which only the fluid can pass
  3. 5. inorganic compound created by the removal or replacement of one, two, or all three hydrogen atoms in phosphoric acid; used in fertilizers and detergents and is a major cause of water pollution
  4. 6. taking care of something
  5. 7. Organisms that indicate the health of a water ecosystem
  6. 10. creating favorable conditions in water so that particles will stick together
  7. 12. A measure of the acidity or basicity of a substance; measured on a scale from 1-14 with the lower numbers representing the highest acidity
  8. 13. the process of settling or being deposited as a sediment
  9. 15. the action or process of a liquid changing to a solid or semi-solid state
Down
  1. 1. excessive nutrients (usually nitrates and phosphates from run-off) in a lake or other body of water, which causes a dense growth of plant life and death of animal life from lack of oxygen
  2. 2. the process of cleaning something, especially with a chemical, in order to destroy bacteria
  3. 3. how clear or cloudy water is; water with a high turbidity is more difficult to see through
  4. 8. a rapid increase in phytoplankton as a result of excess nutrients in the water/can serve as a bioindicator of water quality
  5. 9. pollution that occurs from unidentifiable sources
  6. 11. groundwater contaminant that oftentimes enters the groundwater through fertilizers, animal wastes, and sewage
  7. 12. Source single, identifiable sources of pollution (In the case of water pollution, examples of point source pollutants might include a pipe, factory releasing pollutants into the water, etc.)
  8. 14. oxygen found in water; the higher the amount of dissolved oxygen, the healthier a water system is for organisms