Unit 7: Sound

Front

What is the rate at which sound waves occur?

Back

Frequency

Front

What part of a sound wave occurs when particles are grouped tightly together?

Back

Compression

Front

What part of a sound wave occurs when particles are furthest apart?

Back

Rarefaction

Front

What is the term for the distance between two consecutive peaks of a sound wave?

Back

Wavelength

Front

What is the term for the number of waves that pass a point in one second?

Back

Frequency

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch.

Front

What is the unit of measurement for frequency?

Back

Hertz (Hz)

Front

What is the phenomenon called when sound bounces off a surface?

Back

Echo

Front

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

Back

Approximately 343 meters per second.

Front

What is the effect called when sound waves bend around obstacles?

Back

Diffraction