What is SOUND?
It's ENERGY that's HEARD (when things VIBRATE).
What does it mean to VIBRATE?
It means to move BACK AND FORTH very quickly.
What is PITCH?
It's how HIGH or LOW a sound is.
What body part do we use to hear?
Eardrums.
What's this? How do you play it?
It's a HARP. You SNAP/PLUCK the STRINGS.
What's a SOUND MEDIUM?
It's the MATTER that sound TRAVELS THROUGH.
Which MEDIUM does sound travel through the FASTEST?
Solid.
What's this? How do you hear it?
It's an ALARM CLOCK. It vibrates the air around it, which vibrates your eardrums.
Where do your eardrums send messages to so you know what you hear?
Your brain.
