How Effective Is Your Sunscreen? - Activity

Materials List: How Effective Is Your Sunscreen?

Each student needs:

UV Radiation Designed Experiment Lab Handout
copyright
Copyright © 2014 Denise W. Carlson, ITL Program, College of Engineering, University of Colorado Boulder

To share with the entire class:

sunscreen SPF 15
sunscreen SPF 45
sunblock
sunscreen containing zinc oxide nanoparticles
sunglasses, either ask groups that want to use sunglasses in their designed experiments to bring in sunglasses from home, or else purchase some inexpensive ones, such as https://www.qualitylogoproducts.com/tradeshow-promotions/sunglases.htm?variant=BLANK&imageID=262438&gclid=CNWLrKGq68ACFQiIaQodikAAoA
UV sensitive beads, such as a package of 240 ultraviolet-detecting beads from Flinn Scientific at https://www.flinnsci.com/ultraviolet-detecting-beads/fb1147/
UV intensity meter and lens tester card, at https://www.flinnsci.com/uv-intensity-meter-and-lens-tester/ap6412/
plastic bags
plastic wrap
UV lamp, such as https://www.flinnsci.com/ultraviolet-lamp-hand-held/ap1901/
Vernier UVA sensor, such as https://www.vernier.com/products/sensors/uv-sensors/uva-bta/
Vernier UVB sensors, such as https://www.vernier.com/products/sensors/uv-sensors/uvb-bta/
access to the outdoors