Enrichment Activity for 5-11 11-14
What you need
- Cardboard box
- Wet cloth
- Make a hole in a cardboard box.
- Tie some string round a pencil, and feed the string through the hole so the pencil is inside the box.
- Use a wet cloth to pull on the string.
Results and Explanation
The box amplifies the vibrations from the string as the cloth is pulled along it, making a sound that our ears can hear.