| A | B |
|---|
| Acoustics | The study of sound |
| cochlea | Spiral shaped part of the ear that contains hairs which conduct sound to the brain. |
| eardrum | conducts sounds to the hammer, anvil and stirrup |
| loudness | perception of sound intensity |
| pitch | how high or how low a sound is, relates to frequency. |
| doppler effect | change in pitch due to movement of the source or the listener |
| reverberation | sound and reflections reaching listeners ears at different times causing an echoing effect |
| resonator | hollow chamber filled with air that amplifies sound when its air vibrates |
| sonar | use of underwater sound waves to detect objects |
| music | sounds deliberately used in set pattern |
| overtone | vibrations whose frequency is a multiple of the fundamental frequency |
| percussion | A drum is an example of this kind of musical instrument |
| decibel | unit of sound intensity |
| frequency | Every material has a natural _____. |
