Q:

Why does a pickle light a light bulb?

A:

Quick Answer

According to an experiment reported at Exploratorium, a pickle can be used as an energy source to power small devices such as a light bulb or buzzer because of its ability to push and pull electrons. The pickle is high in salts and electrolytes, which can react to move electrons.

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Why does a pickle light a light bulb?
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Full Answer

The described experiment requires a completed circuit, a graphite pencil to donate electrons to the circuit and aluminum foil to pull electrons away. Together with the pickle, these components can form an electron pump that sends high-energy electrons toward the light bulb in much the same way that a battery does.

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