Sound Energy

Sound is a form of energy.

Sound travels in waves.

there is a back-and-forth movement called VIBRATION.

You can see drums vibrate when you strike them or the strings on a guitar vibrate when you pluck them.

make LOUD sounds!

make quiet sounds

lower pitch because its a slower frequency.

higher pitch because its a faster frequency.

Pitch is how HIGH or how LOW a sound is.

Think of an opera singer hitting a high note in her song.

Think of the sound moving through the guitar string, or think of the rumble in your chest from a marching band during a parade.