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How to make a light bulb Experiment

Your not going to be able to read a book with this light, but pretty awesome just making light. The way it works is the electrons from the battery flow through the alligator clips and pencil lead, which is actually graphite, creating a closed circuit. Just like Simple circuits we did a while back. The graphite or filament becomes so hot it glows and fills the Mason jar with smoke.

 

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