понедельник, 1 июля 2013 г.

Glow stick experment (hot or cold)

The question is "do glow sticks glow better in hot or cold water?"
So to answer this question me and my daughter did a quick experment. It was to put one glow stick in hot water and one in cold water, both the same color stick. 
Left is hot water, right is cold water
As you can see the glow stick glows way better in hot water, but why?

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