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Home > Physical Science > Elementary Physical Science > Electricity & Magnetism > Two Potato Clock
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Two Potato Clock
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Two Potato Clock
Digital clock is operated by potatoes, lemons, colas, etc. Electrical energy is produced by acid in items reacting with metal probes to generate electron flow. Students conduct experiments to see which materials make the clock work most reliably and run longest.
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Two Potato Clock
$18.95
 


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