Sound Wave
Light Sound and Waves

Screech

Enrichment Activity for 5-11 11-14


What you need

  • Paper
  • Scissors

Instructions

  1. Fold a small piece of paper three times so you have a concertina
  2. Cut two slits into the middle ridge
  3. Hold the paper up to your mouth and blow

Results and Explanation

The high-pitched sound you hear is created by the paper vibrating. 

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