Week 12 Video Terms

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Across
  1. 5. remove solids from water
  2. 8. place in niagara falls that is the site of an enormous environmental disaster
  3. 9. agency that is responsible for the protection of human health and the environment
  4. 10. process of collecting, transporting, and disposing of solid waste
  5. 11. adding chemicals compounds to get rid of bacteria, usually at the end of treatment process
  6. 13. process in which bacteria is removed from water using a filter
Down
  1. 1. types of drugs that are passed through humans and put back into our water
  2. 2. types of water held underground
  3. 3. different layers of sand for water purification
  4. 4. process where solids form larger clusters so they can be removed from water
  5. 6. last name of EPA administrator from 1973-1977
  6. 7. substances and organisms that negatively affect health
  7. 12. cloudiness of a fluid