ReePrime
Ultraviolet Detecting Beads

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Ultraviolet Detecting Beads

E
Educational Innovations

6 Views • Jan 14, 2014

Description

http://www.teachersource.com/product/ultraviolet-detecting-beads/light-color Watch white beads change to colored when taken outside! When inside, they turn back to white. What causes the change? The beads contain pigments which react with ultraviolet light from the sun, even on a cloudy day.