Science of Sound: 2. How is Sound Made?

There are many different ways to make sound, but at the source, they all do the same thing — vibrate the air (or other medium) around it. Here are some examples of other things that vibrate in order to make sound.

Drums video
Drum
Guitar video
Guitar
Insect video
Insect
Saxophone video
Saxophone
Vocal Cords video
Vocal Cords

How are the sounds in the videos created?

DRUM

GUITAR

INSECT

SAXOPHONE

VOCAL FOLDS