Students of 1º ESO C did different experiments demonstrating that sound is a vibration. In this picture, we can see string phones and mouth organs. These ones are made with sticks and elastic bands that vibrate when you blow.
Celia Viñas Bilingual Learning Site
Students of 1º ESO C did different experiments demonstrating that sound is a vibration. In this picture, we can see string phones and mouth organs. These ones are made with sticks and elastic bands that vibrate when you blow.