Review- Sound Waves

Front

What do you get when sound waves are reflected off a hard surface?

Back

Echo

Front

To change the pitch of a sound, you have to change the ___ (Options: frequency, amplitude, speed, volume)

Back

frequency

Front

Unit used to measure the volume of a sound.

Back

Decibel

Front

The speed of a sound wave depends on: the frequency, the medium, both air temperature and medium, the air temperature.

Back

both air temperature and medium

Front

The Doppler effect can cause an apparent change in...

Back

pitch

Front

As a sound source approaches and then moves past a stationary observer, the observer will hear:

Back

a rise in pitch, then a drop in pitch

Front

True or False: Sound travels better through solids than through liquids

Back

True

Front

What is a pitch?

Back

highness or lowness of a sound

Front

_____ is a method of locating things underwater using echolocation.

Back

sonar

Front

Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.

Back

echolocation