Across
- 2. any collection of sounds that are deliberately used in a regular pattern.
- 7. the human perception of sound volume and primarily depends on sound intensity.
- 8. how high or low a sound seems to be.
- 9. A tough membrane about 0.1 mm thick that transmits sound from the outer ear to the middle ear.
Down
- 1. the amount of energy that passes through a certain area in a
- 3. a part set off as distinct
- 4. a spiral-shaped structure that is filled with liquid and contains tiny hair cells.
- 5. a transparent material that selectively transmits light.
- 6. amount of time.