Vibrate means to quickly __________ back and forth.

Sound __________if an object vibrates faster or slower.

Vibrating objects produce __________.

Pitch is how __________ or __________ a sound is.

If an object vibrates fast, it makes a __________ pitch sound. For example, a small bell.

If an object vibrates slow, it makes a __________ pitch sound. For example, a large drum.

Pitch depends on the __________ of air column.

Our voices produce sound when air from the lungs passes over our__________ and makes them vibrate.

The __________vibrates when sound waves hit it, and causes the tiny bones in the middle ear to vibrate as well.

The vibrations move through the bones to __________ where the sounds are changed into a form that is understood by brain.

The __________the air column is, the higher the pitch is.

The __________ the air column is, the lower the pitch.