Enrichment Activity for 5-11 11-14
- Level Elementary
What you need
- An empty plastic bottle
- A balloon
- Sticky tape
- A target
- Carefully cut the bottom of the bottle off. Cut the neck off the balloon
- Stretch the balloon over the bottom of the bottle. Don’t pull it tight
- Tape the balloon in place around the bottle
- Take aim at your target, pull back the centre of the balloon, hold the bottle steady and release!
Results and Explanation
A vortex of air is pushed out of the bottle by the balloon, ruffling everything it passes. How far will the vortex travel?