Pass the Sunscreen Please!

Pass the Sunscreen Please!
Posted on 11/26/2019
Pass the Sunscreen Please

Dr. Bob's Biology classes seem to be sunbathing on a late November day, but actually were testing the validity of SPF in sun screens on sun sensitive paper that turns colors when it is exposed to the ultraviolet rays. Students were very impressed to see how products that claim to have sunscreens with SPF 15, 30, and 50 did compared to Zinc oxide on this paper.