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Sci Ch 10 voc
Physical Science Chapter 10 Vocabulary
| Question | Answer |
|---|---|
| is a tough membrane about 0.1 mm thick that transmits sound from the outer ear to the middle ear. | Eardrum |
| is a spiral-shaped structure that is filled with liquid and contains tiny hair cells. | Cochlea |
| is the amount of energy that passes through a certain area in a specific amount of time. | Intensity |
| is the human perception of sound volume and primarily depends on sound intensity. | Loudness |
| is a unity of sound intensity. | Decibel |
| is how high or low a sound seems to be. | Pitch |
| is the change in wave frequency due to a wave source moving relative to an observer or an observer moving relative to a wave source. | Doppler Effect |
| is any collection of sounds that are deliberately used in a regular pattern. | Music |
| describes the differences between sounds of the same pitch and loudness. | sound quality |
| is a vibration whose frequency is a multiple of the fundamental frequency. | Overtone |
| is a hollow chamber filled with air that amplifies sound when the air inside of it vibrates. | Resonator |
| is the study of sound. | Acoustics |
| is the process of locating objects by emitting sounds and then interpreting the sound waves that are reflected from those objects. | Echolocation |
| is a system that uses the reflection of underwater sound waves to detect objects. | Sonar |
| is sound with frequency above 20,000 Hz and cannot be heard by humans. | Ultrasound |
Created by:
P.V.A.
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