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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. Here is a picture of the experment
Left is hot water    right is cold water

As you can see the glow stick glows way better in hot water, but why?

Answer- The glow of a glow stick is caused by achemical reaction that produces light. The faster that reaction occurs, the more light is given off. The heat in this case actually speeds up that chemical reaction, in turn producing a brighter glow.

Love this experment casue we use glow sticks in glow baths! shown here- 


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