Sound Waves

Front

Sound waves can travel through:

Back

solids, liquids, gases, all of these.

Front

The perception of how low or high a sound seems is called _________.

Back

pitch.

Front

The higher the frequency, the ____________ the wavelength.

Back

shorter.

Front

The human ear can detect frequencies between:

Back

20 and 20000 Hz.

Front

Longitudinal waves are comprised of:

Back

compressions and rarefactions.

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second.

Front

What is the unit of frequency?

Back

Hertz (Hz).

Front

What type of wave is a sound wave?

Back

Longitudinal wave.

Front

What is an example of a medium through which sound can travel?

Back

Air, water, or solid materials.

Front

What happens to sound waves as they travel through denser materials?

Back

They generally travel faster.