Apparatus: self-contained Description: give one horn to a student volunteer and keep the other for yourself. Stretch the spring some distance (without deforming it) to demonstrate that sound travels through metal. PIRA 3B25.55
Apparatus: self-contained Description: give one horn to a student volunteer and keep the other for yourself. Stretch the spring some distance (without deforming it) to demonstrate that sound travels through metal. PIRA 3B25.55
