Science chapter 11 Voc

Question 1

Sound waves with frequencies above 20,000 Hz

Answer 1

Ultrasonic

Question 2

Process in which objects are located by emitting sounds and interpreting sound waves that are reflected

Answer 2

Echolocation

Question 5

Tough membrane about .1 mm thick

Answer 5

Eardrum

Question 6

Each unit of sound on the scale for sound intensity

Answer 6

Decibel

Question 7

Change in pitch or frequency that occurs when a source of a sound is moving relative to a listener

Answer 7

Doppler effect

Question 8

Made of sounds that are deliberately used in a regular pattern

Answer 8

Music

Question 10

Human perception of sound intensity

Answer 10

Loudness

Question 11

Difference between sounds having the same pitch and loudness

Answer 11

Sound quality

Question 12

Vibration whose frequency is a multiple of the fundamental frequency

Answer 12

Overtone

Question 13

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

Answer 13

Resonator

Question 14

System that uses the reflection of sound waves to detect objects I
Underwater

Answer 14

Sonar

Question 15

The study of sound

Answer 15

Acoustics

Question 17

High or low and becomes higher with each note

Answer 17

Pitch

Question 21

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

Answer 21

Intensity

Question 28

Inner ear, which is spiral- shaped and is filled with liquid and contains tiny hair cells

Answer 28

Cochlea