Sound Waves

Front

Sound waves cannot travel through _________.

Back

vacuum

Front

The part of a longitudinal wave where the particles of the medium are close together is called __________.

Back

compression

Front

In general, sound waves travel the slowest in __________.

Back

Gas

Front

What happens to the sound when someone talks louder?

Back

The amplitude of the sound wave increases.

Front

If you want to change the pitch of a sound, you have to change the ____.

Back

frequency

Front

What is the term for the distance between two consecutive compressions in a sound wave?

Back

wavelength

Front

What is the unit of frequency?

Back

Hertz (Hz)

Front

What is the relationship between frequency and pitch?

Back

Higher frequency means higher pitch.

Front

What is the term for the maximum displacement of particles in a wave from their rest position?

Back

amplitude

Front

What type of wave is a sound wave?

Back

Longitudinal wave