Your class is putting on a show! Read the clues and open all four locks to learn how sound is made and how it gets to your ears.
Drums, guitars, and voices all make sound — but how? The secret is vibrating (moving back and forth fast). Tap each clue, then open all four locks!
Tap each clue to read it. You can open them again anytime.
Use the clues to open each lock.
You learned that sound is made by things that vibrate, and that sound travels through the air to your ears. Now you know the secret of every drum, string, and voice!