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Experiment 4 Galvanized Nails In 4 Lemons

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For this experiment, you will need the following materials:
4 lemons or potatoes
4 galvanized nails
4 U. S. copper pennies (minted before 1982 due to the change in copper content) or 4 copper wires an LED light a knife
5 alligator test leads

3.)Using the knife, slice a penny-sized slit on the right side of your lemon.
Push the penny far into the lemon, leaving a small area to hook your alligator jumper to. This will be your positive terminal.
Now, create the negative terminal for your battery. Stick one of the galvanized nails into the left side of the lemon, about 2 inches away from the penny. It is important to have the nail and penny separated. If they touch, it will cause a short.
Repeat this process until you have 4 complete batteries.

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