Sound Ch 13 Lessons 4 & 5 Review

Front

Sound travels as a...

Back

Compression Wave

Front

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

Back

high, low

Front

The unit used to measure the volume of a sound:

Back

decibel

Front

In a sound wave, the area where there are fewer molecules and they are spread out is a...

Back

Rarefaction

Front

Shorter string = _________ frequency. Longer string = _________ frequency.

Back

higher, lower

Front

What is the definition of a sound wave?

Back

A sound wave is a type of wave that is created by vibrating objects and travels through a medium (like air, water, or solids).

Front

What is frequency in terms of sound?

Back

Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).

Front

What is pitch?

Back

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

Front

What is the relationship between frequency and pitch?

Back

Higher frequency means a higher pitch, while lower frequency means a lower pitch.

Front

What is a decibel?

Back

A decibel (dB) is a unit used to measure the intensity or loudness of a sound.