| A | B |
|---|
| Wave | A disturbance that transmits or carries energy |
| Sound | A series of vibratons traveling in waves |
| Vibrations | Disturbance of particles in matter as a sound wave travels forward |
| Compression Wave | Way that sound vibrations travel through air or other matter |
| Pitch | Highness or lowness of a sound |
| Frequency | Number of vibrations that occur during a unit of time |
| Volume | Loudness of a sound |
| Decibel | Measurement of sound volume |
| Wavelength | The distance between two consecutive wave crests/troughs |
| Trough | Lowest point of a wave |
| Crest | Highest point of a wave |
| Amplitude | The amount of energy in a wave measured by the Highest or Lowest point to the midline of the wave |
| Midline | Horizontal line drawn straight accross the middle of a wave |
| Gases | Slowest sound medium |
| Solids | Fastest sound medium |
| Liquids | Second fastest sound medium |
