LC

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LC

  1. 1. Science Expo Presentation
  2. 2. Which Sunscreen, 15SPF or 30 SPF, let the most ultraviolet rays through?
  3. 3. HypothesisThe 30 SPF will block the most ultraviolet rays
  4. 4. Materials
  5. 5. Whithout sunscreen
  6. 6. ResultsThe result of the experiment is the 30 SPF blocked the most ultraviolet rays.
  7. 7. Links http://www.epa.gov/sunwise/doc/sunscreen.pdfhttp://www.cdc.gov/mmwr/preview/mmwrhtml/rr5104a3.htmhttp://www.skin-whitening-product.com/sunscreen-facts-and- myths.html

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