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The LED glows dimly with this configuration. Not Helpful 37 Helpful 60. Cut a small slit through the rind in the middle of the lemon.
Making Light With Fruit. What is the process called that makes the LED burn? They flow through the electrolyte to the zinc, where they build up.
Not an Education. You can test another person to see if he or she can feel the electricity or you can opt to add one more lemon battery to your set. Go back and try again. They allow you to carry electronic devices on the go without having to plug them into a wall outlet.
If your lemon has a very thick skin, you might need an adult to carefully cut away some lemon peel. Do you feel a difference? You should have three penny and nail pairs when you are finished. Attach the voltmeter clips to the nail and penny. Galvanized nails have a zinc coating that is important to this experiment  and can be found at a local hardware or home improvement store.
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