How to Make a Lemon Battery

When you run out of batteries, but you have a few lemons at home. To start, we put copper coins and galvanized nails on different sides of lemons. Then we connected the nail to the copper coin on the next lemon in a line with a wire. After connecting red wire (representing "+") to the coin on the first lemon and black wire (representing "-") to the nail of the last lemon, it was time to test the power.