Sound

Question 1

Sound is a type of energy made by

Answer 1

Vibrations

Question 2

When an object vibrates

Answer 2

It causes movement in surrounding AIR molecules

Question 3

Sound travels In

Answer 3

Waveform thus SOUNDWAVES

Question 4

Waves transfer _________ fro, the spruce of the sound to its surroundings

Answer 4

Energy

Question 5

Sound waves are

Answer 5

Sinusoidal waves that definite frequency, amplitude, and wavelength

Question 6

Audible frequency

Answer 6

Frequency that can be perceived by human ears, is between 20Hz to 20,000Hz

Question 7

Sound waves above 20,000Hz

Answer 7

Ultrasonic

Question 8

Infrasonic - sound waves below

Answer 8

20Hz

Question 9

Frequency & Pitch:

Answer 9

Frequency - number of waves(cycles) per given time.
Pitch - the sensation of frequency of a sound.

Question 10

Th amplitude of a soundwave can be defined as the ______ or the ____________

Answer 10

1 Loudness
2 Amount or maximum displacement of vibrating particles of the medium from their equilibrium position

Question 11

When the amplitude of a soundwave is large:

Answer 11

The the loudness of sound will be more.

Question 12

More waves is _______ Less waves is ________

Answer 12

Higher pitch (More)
Lower pitch (Less)

Question 13

Timbre

Answer 13

Quality or timbre
- allow the ear to distinguish sounds which have the same pitch and loudness