Sound

Question 1

Vibration

Answer 1

Is a rapid back and forth motion

Question 2

Vaccum

Answer 2

A empty space

Question 3

Pitch

Answer 3

A frequency of a sound wave determines the pitch of you here

Question 4

Hertz

Answer 4

Is one complete wave or cycle per second.

Question 5

Ultrasound

Answer 5

A sound wave with frequencies above 20000 hertz

Question 6

Resonance

Answer 6

When a tuning fork is struck

Question 7

Doppler effect

Answer 7

The change in perceived pitch that occurs when the source or the receiver of a sound is moving

Question 8

Intensity

Answer 8

Amount of energy a sound wave has

Question 9

Decibel

Answer 9

To measure sound intensity

Question 10

Amplification

Answer 10

To increase the strength of an electrical signal

Question 11

Acoustic

Answer 11

A sound that is produced and and received and herd by human and animals

Question 12

Echolocation

Answer 12

Sending out a high pitched sound waves and the interpretation of the returning echoes

Question 13

Sonar

Answer 13

For navigation and ranging

Question 14

Wave

Answer 14

Disturbance that transfers energy from one place to another

Question 15

Medium

Answer 15

Any substance a waves move through

Question 16

Mechanical waves

Answer 16

Sound waves

Question 17

Sound

Answer 17

A wave that is produced by a vibrating object and travels through matter.