Unit 7: Sound

Front

What is the part of the sound wave when the particles are furthest apart?

Back

Rarefaction

Front

What is the part of the sound wave when particles are grouped tightly together?

Back

Compression

Front

What is the rate at which sound waves occur?

Back

Frequency

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 vibrations per second in a sound wave?

Back

Frequency

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch.

Front

What is the term for the sound quality that allows us to distinguish between different sources of sound?

Back

Timbre

Front

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

Back

Approximately 343 meters per second.

Front

What is the phenomenon called when sound waves bounce off a surface?

Back

Reflection

Front

What is the term for the bending of sound waves as they pass from one medium to another?

Back

Refraction