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General Physics Science Fair Project

Light Up Your Mouth!

Light Up Your Mouth! | Science Fair Projects | STEM Projects
Ever wondered how you can make your own light? With this experiment, you can make your own light by simply chewing on a Lifesaver candy! When you chew the candy, electrons jump between the pieces, colliding with nitrogen molecules to make invisible ultraviolet radiation. The candy's wintergreen flavoring absorbs the UV radiation and re-emits it as a spark you can see.


The hypothesis is that chewing a Lifesaver candy will create flashes of light.

Method & Materials

You will wait in a dark room until you can see your teeth in the mirror, then chew a single Lifesaver candy while watching your mouth in the mirror.
You will need a glass of water, a mirror, and a Wintergreen Lifesaver candy.


The experiment showed that when a Lifesaver candy is chewed, flashes of light can be seen in the mouth. This is due to the electrons jumping between the pieces of candy and colliding with nitrogen molecules to create ultraviolet radiation.

Why do this project?

This science project is unique because it shows how everyday objects can be used to create light.

Also Consider

Experiment variations to consider include using different flavors of Lifesaver candy and using different types of candy to see if the same effect is produced.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

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