Unit 5 Water Word Cards

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Across
  1. 3. to control or maintain the amount of pollution in an environment
  2. 5. a large system of circulating ocean surface current
  3. 9. a unit of measurement for particles in water, stands for parts per million
  4. 10. water that is a mixture of freshwater and saltwater
  5. 11. an organism whose presence in an ecosystem indicates the health of the ecosystem
  6. 12. a collection of marine debris in the ocean caused by converging ocean currents
  7. 13. the tidal mouth of a river where freshwater meets the saltwater of the ocean
  8. 16. to collect data and determine the amount of pollution in an environment
Down
  1. 1. the introduction of harmful materials into the environment
  2. 2. deep-ocean currents driven by differences in density created by temperature and salinity
  3. 4. anything that is growing, living, or found in the water
  4. 6. an area of land where runoff water flows into the same body of water
  5. 7. a small flow of water that leads into a river or lake
  6. 8. movement of ocean water caused by wind and difference in density
  7. 14. the percentage of dissolved salt in a body of water
  8. 15. a natural flowing body of surface water that leads into an ocean