| A | B |
|---|
| frequency | is the sound of the number of vibrations in a given unit of time |
| waves | the way sound travels together |
| wavelength | sound is the distance between two compressions |
| vibration | an instance of vibrating |
| media | xxxxxxx |
| sonar | a system for the detection of objects under water |
| sound | a form of energy produced and transmitted by vibrating matter |
| wave | a disturbance moving through a medium (solid, liquid, or gas) |
| compression wave | sound moving outward from its source |
| pitch | determined by the frequency of a vibrating object |
| musical instrument | an insterment vibrating to produce sound |
