Sound Wave
Light Sound and Waves

Chicken Sounds

Enrichment Activity for 5-11 11-14


What you need

  • A plastic cup or yoghurt pot
  • A damp cloth
  • Smooth string
  • Pencil or biro

Instructions

  1. Make a hole in the bottom of a plastic cup with a pencil or biro
  2. Cut a length of string, thread it through the hole, and tie a knot in the end inside the cup to stop it from slipping back through the hole
  3. Take the damp cloth and hold it tightly around the string. Now pull the cloth firmly along the string to hear the cup cluck

Results and Explanation

Pulling the cloth along the string makes it vibrate and produce a faint sound. But the cup and air around it also vibrate so the sound is amplified enough for us to hear it.

IOP DOMAINS Physics CPD programme

Energy CPD videos

Our new set of videos gives teachers and coaches of physics a preview of the training we offer ahead of this term's live support sessions.

Find out more