The materials to make a fruit power battery are: . Four lemons (the bigger and juicier the better) . Four pennies . Five zinc-galvanized nails . Five sets of alligator clips . LED lights . Kitchen knife
EXPERIMENT: 1. Use a kitchen knife to cut a penny sized silt in all four lemons. 2. Insert a penny halfway in each four lemons. 3. Push a zinc-galvanized nail into each of the lemons, opposite the penny. Be sure you don’t let the nail and penny touch each other. 4. Connect all four lemons together with alligator clips. Each set of alligator clips should connect a nail with a penny. 5. Attach the two loose alligator clip to the LED light. 6. Check that out ! The energy from the lemons lights up the LED.