| A | B |
|---|
| intensity | Measure of the loudness of a wave |
| crests | Highest points of a wave |
| frequency | Number of wave crests or troughs that pass one place each second. |
| reverberation | Effect produced by reflections of sound waves. |
| waves | Rhythmic disturbances that carry energy. |
| resonance | Vibration of an instrument at same frequency as original sound. |
| quality | Differences among sounds of the same pitch and loudness. |
| music | Sound created using specific pitches and a regular pattern. |
| pitch | Highness or lowness of a sound. |
| Noise | Sound with no set pattern or definite pitch. |
| Trough | Lowest points of a wave. |
| Compressional | Wave in which the medium vibrates in the same direction as the wave. |
| Wavelength | Distance from crest to crest or trough to trough. |
| Ultrasonic technology | Uses of ultrasonic sound that include sonar, medical procedures, and jewelry cleaning. |
| transverse wave | Wave in which the medium moves at right angles to the direction of wave travel. |
| Loudness | Human perception of sound intensity. |
| Acoustics | The study of sound. |
| Medium | Material through which a wave can transfer energy. |
| Amplitude | Distance from crest or trough of a wave to the rest position. |
| Interference | Ability of two or more waves to combine and form a new wave. |
