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Transcript

  • 1. Science Expo Presentation
  • 2. Which Sunscreen, 15SPF or 30 SPF, let the most ultraviolet rays through?
  • 3. HypothesisThe 30 SPF will block the most ultraviolet rays
  • 4. Materials
  • 5. Whithout sunscreen
  • 6. ResultsThe result of the experiment is the 30 SPF blocked the most ultraviolet rays.
  • 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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