Sound 4

Front

What vibrates when you talk?

Back

Vocal cords

Front

What is the term for the number of waves that pass a point in one second?

Back

Frequency

Front

What happens to the pitch of a sound as the frequency increases?

Back

The pitch gets higher.

Front

What happens to the pitch of a sound as the frequency decreases?

Back

The pitch gets lower.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

Front

What is the unit of frequency?

Back

Hertz (Hz)

Front

What is the relationship between amplitude and loudness?

Back

Higher amplitude means louder sound.

Front

What can happen to your hearing if you are exposed to loud sounds frequently?

Back

You may experience hearing loss.

Front

What is an example of a sound with low frequency?

Back

A bass drum.

Front

What is an example of a sound with high frequency?

Back

A whistle.