| A | B |
|---|
| Sound | produced by a vibrating obect |
| Medium | what the sound travels through |
| Hertz | waves per second |
| Mach 1 | speed of sound |
| cps | cycles per second |
| Midrange | between high and low |
| Sonar | a way to check ocean depth using waves |
| Acoustical tile | tile with holes to trap sound |
| Larnyx | voice box in throat |
| Amplify | greater sound |
| Echo | when a sound hits something 50 feet away and bounces back |
| Vibration/ Oscillation | move back and forth |
| Frequency | how many waves pass per second |
| Longitudinal Wave | a sound wave |
| Woofer | base on a speaker |
| Supersonic | faster then the speed of sound |
| Decibles | dB measure of sound intensity |
| Reverberation | multiple echoes |
| Octave | a group of 8 notes |
| Pitch | higher or lower frequency |
| Wavelength | distance between one wave and another wave |
| Compressional Wave | another name for longitudinal wave |
| vps | vibrations per second |
| Tweeter | high notes |
| Unltrasonic | above human hearing |
| V=F x L | Velocity = Frequency x Length |
| Acoustics | science of sound |
| Resonance | when one object causes another object to vibrate the same frequency |
| Megaphone | changes sound |
| Stereo | means two |
| Insulator | stops sound |
