| A | B |
|---|
| sound wave | xxx |
| medium | xxx |
| cochlea | filled with fluid that stimulates nerves connected to the brain |
| middle ear | composed of the hammer, anvil, and stirrup; acts as levers to increase the size of vibrations |
| pinna | collectes ound waves and directs them to the ear canal; outer ear |
| tinnitus | a type of hearing loss characterized by a ringing in the ears |
| pitch | section 2 |
| Doppler effect | xxx |
| frequency | the number of crests or troughs in a given amount of time |
| ultrasonic | sounds that have a frequency to high for people to hear |
| loudness | xxxx |
| amplitude | largest distance the particles in a wave vibrate from their rest position |
| decibel | xxx |
| oscilloscope | a tool used to electronically represent sound so it can be seen |
| echo | section 3 |
| echolocation | xxx |
| sonic boom | xxx |
| interference | xxx |
| standing wave | xx |
| resonance | xxx |
| ultrasonography | medical procedure using echoes to "see" inside a person's body |
| sound quality | xxx |
| noise | xxx |
