Sound Wave
Light, Sound and Waves
Musical Coat Hanger
At home for 11-14 14-16
- Activity time 15 mins
What you need
- A metal coat hanger
- Two pieces of string
- A fork
Instructions
- Tie a piece of string to each corner of the coat hanger and wrap the ends around your fingers
- Put your fingers in your ears and ask your friend to tap the hanger with the fork
Results and Explanation
It sounds louder because vibrations travel through the metal and string more easily than through air.
These experiments have not been specifically safety tested for home use but we believe them to be safe if the instructions are followed. Adult supervision or direction is recommended as appropriate. All experiments are carried out at your own risk.
