Inside glow-sticks there are actually two
chemicals. The glowing comes from a reaction that
occurs when the two chemicals mix together. The
chemicals mix when you 'crack' the glow stick.
Glow sticks come in different colors and the color
they are depends upon a dye. Usually in the glow
sticks that you see one chemical is hydrogen
peroxide (maybe you put this on your cuts to clean
them it fizzes and turns white). The other
chemical is usually what is called an ester. These
two chemicals mix together, then interact with the
dye causing the glow.
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