Chapter 10

Question 0

Cochlea

Answer 0

Spiraled shape structure that is filled with liquid and contains tiny hair cells

Question 1

Eardrum

Answer 1

Rough membrane about .1mm thick that transmits sound from the outer ear to the middle ear

Question 2

Intensity

Answer 2

The amount of energy that passes through a certain area in specific amount of time

Question 3

Loudness

Answer 3

The human perception of sound volume- depends on sound intensity

Question 4

Decibel

Answer 4

dB- unit of sound intensity

Question 5

Pitch

Answer 5

Is how high or low a sound seems to be

Question 6

Doppler Effect

Answer 6

The change in wave frequency due to a wave source moving relative to an observer or an observer moving relative to a wave source.

Question 7

Music

Answer 7

Any collection of sounds that deliberately used n regular pattern

Question 8

Sound quality

Answer 8

Describes thes differences between a sounds of the same pitch and loudness-results from overtones

Question 9

Overtone

Answer 9

Vibration whose frequency is a multiple of fundlemental frequency

Question 10

Resonator

Answer 10

A hollow chamber filled with air that amplifies sound when the air inside of it vibrates

Question 11

Acoustics

Answer 11

Study of sounds

Question 12

Echolocation

Answer 12

Process of locating objects by emitting sounds, and then interpreting the sound waves that are reflected from those objects

Question 13

Sonar

Answer 13

A system that uses the reflection of underwater sound waves to detect objects

Question 14

Ultrasound

Answer 14

A sound with a frequency above 20,000 hertz and cannot be detected by humans

Question 15

To which is sound quality most closely related?

Answer 15

Overtones

Question 16

Sound can travel through all but which?

Answer 16

Outer space

Question 17

What part of a musical instrument amplifies sound waves?

Answer 17

Resonator

Question 18

What is the name of the method used to find objects that are underwater?

Answer 18

Sonar