1. All About Sound You will find vocabulary for your sound investigation
by completing this slide show.

2. sound: energy that we hear
That old car is making a loud and strange sound.

3. vibration: happens when there is a
rapid back and forth or up and down
motion.
When I pluck the rubber band, I can
see the vibrations.

4. pitch: how low or high a sound is
When a mouse squeaks the pitch is high,
but when a lion roars the pitch is low.

5. volume: how loud or soft a sound is
You can turn the volume up or down when
you listen to the radio.

6. ears: the parts of our body through which
we hear sounds.
Vibrations pass through our ears to help
us hear the sounds all around.

7. Can you guess what these sounds are?
Listen closely!!
Can you guess what these sounds are?
(Click each speaker to hear the sound.)
Sound #1
Sound #4
Sound #2
Sound #5
Sound #3
Sound #6