Why Are Some Sounds High and Some Sounds Low?

Front

Low pitched sounds have __________ wavelengths.

Back

long

Front

The higher pitched sounds make the vibration move _________________ .

Back

quickly

Front

Sound is a ____________.

Back

wave

Front

What does sound have in common with ripples in a pond?

Back

Sound moves through the air just like ripples move through water.

Front

Is this the sound of a flute (a high-pitched sound) or a tuba (a low pitched sound)?

Back

Flute

Front

What determines the pitch of a sound?

Back

The frequency of the sound wave.

Front

What is frequency in terms of sound?

Back

The number of vibrations per second.

Front

What happens to the pitch when the frequency increases?

Back

The pitch becomes higher.

Front

What happens to the pitch when the frequency decreases?

Back

The pitch becomes lower.

Front

What is an example of a high-pitched sound?

Back

A whistle.