This exciting fruit or potato clock allows students to explore the workings of an electrolytic cell. Any type of acidic fruits can be used, works best with very acidic fruits such as lemon, oranges, grapefruit, apple but also works with potatoes and many more. By inserting the copper electrodes into the fruits, current flows and powers up the digital clock.
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Tags: fruit, potato, potatoes, electrolyte, electrolytic, acid battery, electrode, current, voltage, power, batteries, cell