Ultraviolet Detecting Beads

Ultraviolet Detecting Beads

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.


User: Educational Innovations

Views: 1

Uploaded: 2014-01-14

Duration: 00:54

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