Sound Waves

Front

What is a disturbance that travels through a medium as a longitudinal wave?

Back

Sound

Front

What term describes how high or low a sound is, depending on the frequency?

Back

Pitch

Front

What happens to the sound when someone talks louder?

Back

The sound becomes louder.

Front

What is the bending of waves around an object called?

Back

Diffraction

Front

What part of a longitudinal wave has particles of the medium close together?

Back

Compression

Front

What is the part of a longitudinal wave where particles are spread apart?

Back

Rarefaction

Front

What is the term for the number of waves that pass a point in a given time?

Back

Frequency

Front

What is the unit of frequency?

Back

Hertz (Hz)

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch.

Front

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

Back

Approximately 343 meters per second.