When playing a guitar, the shorter the string, the ? the sound
higher
Sound is caused by ?
vibrations
Sound travels as ?
a wave
Louder sounds are made by ? vibrations
bigger or larger
If you hit a drum softly, it will make a ? sound
quiet
In order to stop sounds getting in or out of a room, you should ? the room.
soundproof
On a set of pan pipes, the longest pipe will make the ? sound
lowest
We hear sounds with our ?
ears
