A coin battery is similar to fruit battery experiments, except that the fruit’s part is replaced by a small amount of saltwater. It’s an easy science project to do, especially if a project like the lemon battery has already been performed.
Materials
- 5 to10 coins in silver colour
- 5 to 10 coins bronze colour
- LED’s
- Wire
- Salt
- 9-volt battery
- paper
Tools:
- Scissor
- tape
Coin Battery video tutorial of online session