Anything that makes a sound vibrates back and forth in motion, which is called vibration, and these vibrations travel through the air to the ears where they are heard; for example, drums, guitars, and xylophones all make vibrations when played that allow their sounds to be heard.

1. Did you ever
wonder how
the sound you
hear gets to
your ears?

2. How are you hearing me
through your ears?

3. Anything that makes
a sound vibrates.

4. What is
vibration?

5. Vibration is the back and
forth motion that makes
the sound you hear.

6. The drums makes vibration.

7. The guitar makes vibration.

8. The xylophone makes vibration.