This activity investigates how sound travels, using a kind of gong made from a coat hanger and some string. The gong makes a surprising and intriguing sound – but only when you have your fingers in your ears.
- Experience the fact that sound is produced by vibrations and travels better through solids than gases
- Use observation and questioning (curiosity) skills
- Understand how sound travelling through different materials has useful applications in our everyday lives
Ear Gongs (PDF Document)