Unit Test Sound Ch. 18

Front

What term refers to how high or low a sound seems to a person?

Back

Pitch is the term that refers to how high or low a sound seems to a person.

Front

True or False: The pitch of a sound you hear depends on the sound wave's frequency.

Back

True. The pitch of a sound is directly related to the frequency of the sound wave.

Front

What is the ability of a material to bounce back after being disturbed called?

Back

Elasticity is the ability of a material to bounce back after being disturbed.

Front

Doctors are able to make sonograms through the use of what technology?

Back

Doctors use ultrasound technology to make sonograms.

Front

What are sound waves with frequencies below the normal human range of hearing called?

Back

Sound waves with frequencies below the normal human range of hearing are called infrasound.

Front

What is the term for the loudness of a sound?

Back

Loudness refers to how strong or intense a sound is.

Front

What is the relationship between frequency and pitch?

Back

The frequency of a sound wave determines its pitch; higher frequencies result in higher pitches.

Front

What is ultrasound?

Back

Ultrasound refers to sound waves with frequencies above the normal human range of hearing.

Front

What is the unit used to measure sound intensity?

Back

Decibels (dB) are the units used to measure sound intensity.

Front

What is the term for the distance between successive peaks of a wave?

Back

Wavelength is the term for the distance between successive peaks of a wave.