documentlc
DESCRIPTION
TRANSCRIPT
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Science Expo Presentation
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Which Sunscreen, 15SPF or 30 SPF, let the most ultraviolet
rays through?
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HypothesisThe 30 SPF will block the most
ultraviolet rays
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Materials
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Whithout sunscreen
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Results
The result of the experiment is the 30 SPF blocked the
most ultraviolet rays.
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http://www.epa.gov/sunwise/doc/sunscreen.pdf
Links
http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5104a3.htm
http://www.skin-whitening-product.com/sunscreen-facts-and-myths.html