Transcript Sound Power Point Presentation

Vocabulary
for
Sound
Sound
The noise something makes.
The sound of the phone caused Kara
to answer it.
Vibration
Happens when an object moves up and down
or backward and forward very quickly.
I could see the vibrations of the tuning
fork after I hit it on the eraser.
Volume
The loudness or softness of a sound
The volume on the radio was
set too high and the music
hurt my ears.
pitch
The highness or lowness of a
sound
The men made a low pitch sound
and the women made a high
pitch sound.
frequency
How often a pattern repeats
Strings 2 and 5 don’t sound very good,
so I will change the frequency so they
will sound better together.
Decibel
Used to measure sound
A normal conversation is about 60
decibels.
Eardrum
Passes sound vibrations into
the middle ear so you can hear
sound
The eardrum sends the tiny vibrations
to three bones in your middle ear.
Music
Sound created using specific
pitches in a pattern.
I love listening to music on the radio.