| A | B |
|---|
| amplify | make louder or greater |
| eardrum | tough membrane transmits sound from outer to middle ear |
| cochlea | spriral shaped structure filled with fluid & tiny hair cells |
| frequency | number of wavelengths pass fix point per second |
| intensity | amount of energy passing certain area in specific amount of time |
| loudness | sound volume/sound intensity |
| decibel | unit of sound intensity (dB) |
| pitch | how high or low a sound seems to be |
| Doppler effect | change in wave frequency due to movement of source or wave |
