derricksmith derricksmith
  • 30-03-2017
  • Physics
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involves the transformation of chemical energy directly into light energy?


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thetruedark
thetruedark thetruedark
  • 30-03-2017
A glow stick because the chemicals in the stick as soon as it cracks it turns into light energy
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dd178738
dd178738 dd178738
  • 31-03-2017
i would like to say thermal energy
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