Unit Test Sound Ch. 18

As a sound source moves towards a listener, the pitch ____________

Loudness, or sound, level is measured in units called ____________

You can hear sounds from around the corner because of _________________

The changing pitch of a police car's siren as it moves by you is an example of _______________

T or F? The pitch of a sound you hear depends on the sound wave's frequency

Doctors are able to make sonograms through the use of ______________

The speed of sound depends on ____________

T or F? The frequency of the sound waves produced by a string increases as the tension of the string decreases.

The ability of a material to bounce back after being disturbed is called

The compressions and rarefactions that make up a sound wave traveling through the air are