This activity from the Science Museum 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.

Learning Outcomes:

- Experience that sound is produced by vibrations and travels better through solids than gases
- Use observation and questioning skills
- Understand how sound travels through different materials has useful applications in our everyday lives

Curriculum Links:

KS2 Science: Sound

KS1 &2 Science: Working scientifically