Characteristics of Sound

Front

What is sound?

Back

Sound is a type of energy that travels in waves and can be heard when it reaches our ears.

Front

What is pitch?

Back

Pitch is how high or low a sound is, which is determined by the frequency of the sound waves.

Front

What happens to the pitch of a sound when the sound source moves away from you?

Back

The pitch sounds lower when the sound source moves away.

Front

What happens to the pitch of a sound when the sound source moves toward you?

Back

The pitch sounds higher when the sound source moves toward you.

Front

What is a low-pitched sound?

Back

A low-pitched sound is a sound that has a lower frequency, like the sound of a bass drum.

Front

What is a high-pitched sound?

Back

A high-pitched sound is a sound that has a higher frequency, like the sound of a whistle.

Front

How do longer sound waves affect pitch?

Back

Longer sound waves produce a lower pitch.

Front

How do shorter sound waves affect pitch?

Back

Shorter sound waves produce a higher pitch.

Front

What is loudness?

Back

Loudness is how strong or weak a sound is, which can affect how well we hear it.

Front

What can loud sounds do to your hearing?

Back

Loud sounds can hurt your hearing.