Module 10 Terms

Question 1

snail-Shaped, inner ear structure filled with fluid and lined with hair cells
( Generates nerve impulses sent to the brain through the auditory nerve)

Answer 1

Cochlea

Question 1

Tough membrane in the outer ear that is about 0.1 mm thick and transmits sound vibrations into the middle ear

Answer 1

Eardrum

Question 2

amount of energy that flows through a certain area in a specific amount of time

Answer 2

Intensity

Question 3

Human perception of sound volume, depends primarily on intensity

Answer 3

Loudness

Question 4

Unit for sound intensity

Answer 4

Decibel

Question 5

Perception of how high or low a sound is

Answer 5

Pitch

Question 6

Change in the wave frequency that occurs due to the relative motion of the wave as it moves toward or away from an observer

Answer 6

Doppler Effect

Question 7

collection of sound deliberately used in a regular pattern

Answer 7

Music

Question 8

Result of the differance between sounds having the same pitch and loudness

Answer 8

Sound quality

Question 9

Vibration whose frequency is a multiple of the fundamental frequency

Answer 9

Overtone

Question 10

Hollow air-filled chamber that amplifies sound when the air inside it vibrates

Answer 10

Resonator

Question 11

process by which objects are located by emitting sounds and interpreting the sound waves that are reflected from those objects.

Answer 11

Echolocation

Question 12

use of sound waves to detect and measure objects underwater.

Answer 12

Sonar