Water Contaminants Puzzle

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Across
  1. 1. Widely used in household plumbing materials, increased exposure to this toxin in water can cause nausea, vomiting, stomach cramps, or diarrhea
  2. 3. Long term exposure to this toxin was famous in the movie Erin Brockovich, causing cancer and adverse health effects with long term exposure.
  3. 4. This additive is used by water systems to control microbes in the water
  4. 6. In small amounts it poses no health risk, but this chemical compound found in sand or quartz can cause serious impact to the lungs if inhaled in large quantities
  5. 8. The greatest use of this chemical is as a fertilizer, and it is converted into nitrites once taken into the body. Long term exposure can lead to reproductive effects and cancer
  6. 11. In large amounts this can cause lung irritation and gives the water a rotten egg smell. Waste from pesticides and manufacturing plants often contain this pollutant
  7. 12. Found in urea and proteins in manure, large quantities in water can lead to eutrophication (nutrient over-enrichment) and cause overgrowth of algae causing algal blooms
Down
  1. 2. An excess of the mineral can cause diarrhea, as well as a hardening of organs and soft tissue but only if present in high concentrations. This is a key element for growth of plants and animals and is found in the use of fertilizers and pesticides
  2. 5. Derived from minerals in the soil and underlying rocks, the presence of this element in water creates an unpleasant odor and taste
  3. 7. A bluish-gray metal that can cause increased blood pressure and incidence of hypertension as well as decreased kidney function. Much of it comes from human activities such as burning fossil fuels, mining and manufacturing
  4. 9. A cancer causing radioactive gas that comes from the natural breakdown of uranium in soil, rock and water. This can be in buildings of any type and the greatest exposure occurs to you in your home
  5. 10. Used to make compounds and synthetic fibers, exposure to this toxin can cause dizziness, headache, nausea and vomiting.
  6. 13. This element is naturally occurring and is found in coal, released into the environment upon being burned. When settling into water this can build to toxic levels in fish and cause damage to the brain and kidneys to name a few