Light Fantastic
Enrichment Activity for 5-11 11-14
- Level Elementary
What you need
- Party balloon
- Energy saving light bulb
Instructions
- Blow up the balloon and tie the end
- In a dark room, rub the balloon against your hair or jumper
- Hold the bulb in one hand and move the balloon back and forth close to it
Results and Explanation
Waving the electrically charged balloon close to the bulb causes a current to flow through the charged gas inside the bulb and it lights.