I decided to do an experiment on the topic of lightbulbs. I got this idea from the Steve Spangler youtube, Sick Science. You should definitely check it out. So the basic idea of this experiment is to make light. I taped together 8 D batteries. I had 2 small wires with alligator clips on the ends. I connected one end of the alligator clips together with a 0.05mm pencil lead which would be a makeshift filament. The other ends were connected by the batteries. When put to either end of the batteries, the pencil lead would begin to produce light! It only lasts for a short time before the pencil lead burns out. One thing I found out is that you really have to push the batteries together because sometimes they aren't actually touching each other.
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BenI'm an eighth grader and want to share my love of science with others. Archives
December 2016
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