UV Beads
Fri, Sep 30, 2011
Materials: Color Changing UV Beads, sunscreen, ziploc bags
Activity: Divide color changing beads into ziploc bags. Spread different kinds of sunscreen on each bag. Leave one bag without sunscreen. Place the bags in the sun, and watch the beads change color! The beads change color when exposed to UV light. How does the sunscreen affect this?
Research Questions: How does environment affect how the beads change color? Inside light, outside light, hot water, cold water?
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