Blowing across the open mouth of a bottle causes the air inside the bottle to vibrate. The vibrating air produces sound. The pitch of the sound is determined by how fast the air vibrates. As the air inside the bottle decreases it vibrates faster and produces a higher pitched sound. You could write the relationship […]
Musical Bottles
Using bottles to make music is fun for kids of all ages. The best presentation I’ve heard were seniors who played “Lean on Me” and along with the music from the various bottles, one student added a drum beat by tapping on the lab table. It really was awesome–too long ago for me to have […]