The Ear and Sound

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Experiment 1: Make an 'Ear Drum' Vibrate

- Stretch plastic over tin
- H
old in place with the rubber band
- Sprinkle some sugar on the plastic
- 'Ear drum' vibrates

Experiment 2: Sound Travels Through String.

- Plastic cup vibrates from sound of voice
- Causes air in cup to vibrate
- Causes string to vibrate
- Causes air to vibrate
- Forms sound

Experiment 3: Make a stethescope

- Listen to a friends heartbeat.

 

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