| A | B |
|---|
| Loudness | Related to sound intensity |
| Pitch | Related to sound frequency |
| Speed of sound in water | Faster than the speed of sound in air |
| Decibel | A unit for sound intensity |
| Wave Frequency | Wave speed divided by wavelength |
| Wave period | The reciporcal of wave frequency |
| Wave speed | The product of wavelength and wave frequency |
| Wave amplitude | The maximum displacement of the wave medium from the rest position |
| Harmonic | Partial tone whose frequency is an integer multiple of the fundamental frequency. |
| Fundamental frequency | Lowest frequency in a musical tone |
| Quality | Characteristic timbre of a musical sound |
| Intensity level | Measured in decibels |
| Threshold of hearing | Faintest sould that can be heard |
