You have probably used batteries as a power source before – like in your flashlight. In this experiment, you can build a very simple battery yourself. Can you generate enough electricity to make headphones crackle?
How do you get electricity from a lemon?
![lemons](https://www.henkel-forscherwelt.de/resource/image/1157576/21x9/3000/1286/3cbb85bb7105452613dea57c4fc7476/34806481888E5CB4AE2802E059F2F3A8/shutterstock-131600930.webp)
You will need
- Iron nail
- Paper clip (copper)
- Lemon
- Wire
- Headphones (e.g., from cell phone)
Let’s get started!