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sound

Total questions: 180

Worksheet time: 3hrs 29mins

Name
Class
Date
1.

What type of energy does a sound wave have?

a)

Mechanical

b)

Radiant

c)

Electrical

d)

Sound

2.

Sound is produced by -----

a)

Heat energy

b)

Low temperatures

c)

Vibrations

d)

Friction

3.

True or False: Sound waves are faster than light.

a)

False

b)

True

4.

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

a)

Rarefaction

b)

Amplitude

c)

Compression

d)

Hertz

5.

The number of wavelengths that pass a fixed point each second is known as ----

a)

Hertz

b)

Amplitude

c)

Frequency

6.

The unit for measuring frequency is the ---

a)

Joule

b)

Hertz

c)

Gram

d)

Newton

7.

The measure of the height of a wave and the amount of energy in a wave is ----

a)

Wavelength

b)

Hertz

c)

Frequency

d)

Amplitude

8.

Sound waves travel the fastest through ---

a)

Liquids

b)

Gases

c)

Solids

9.

The speed of sound depends on these two things:

a)

The type of medium and the temperature of the medium

b)

Speed of the medium and temperature of the medium

c)

Temperature of the medium and sound of the medium

d)

None of the above

10.

The Tacoma Narrows Bridge, musical instruments, and crystal stemware are examples of -----

a)

Frequency

b)

Resonance

c)

Interference

d)

Speed

11.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
12.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
13.
True or False: Sound travels better through solids than through liquids
a)
True 
b)
False
14.

_____ is a method of locating things underwater using sound waves.

a)

trees

b)

solar

c)

sonar

d)

turpentine

15.
Which is a tool that is used in medicine to view internal organs and pregnancy.
a)
radar
b)
doppler
c)
ultrasound
d)
sonar
16.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
17.

Examine the wave.


Which region on this wave would correspond to rarefaction?

a)

W

b)

X

c)

Y

d)

Z

18.

Which transverse wave has the highest frequency?

a)

1

b)

2

c)

3

d)

4

19.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
20.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
21.
Bottom of the wave
a)
Crest
b)
Trough
c)
Frequency
d)
Wavelength
22.
Top of the wave
a)
Wavelength
b)
Amplitude
c)
Trough
d)
Crest
23.
The matter (solid, liquid, or gas) through which waves can travel
a)
Medium
b)
Object
c)
Transverse Wave
d)
Wavelength
24.

Which one shows the amplitude of a wave?

a)
b)
c)
25.

Which one shows the wavelength of a wave?

a)
b)
c)
26.

What is the frequency of the wave pictured?

a)

5 Hz

b)

6 Hz

c)

7 Hz

d)

8 Hz

27.

What is the frequency of the wave pictured?

a)

2 Hz

b)

3 Hz

c)

4 Hz

d)

5 Hz

28.

What is the amplitude of the wave pictured?

a)

3

b)

4

c)

5

d)

6

29.

What is the amplitude of the wave pictured?

a)

1

b)

2

c)

3

d)

4

30.

What is the amplitude of the wave pictured?

a)

1

b)

2

c)

3

d)

4

31.
What occurs when vibrations traveling through an object match the object's natural frequency?
a)
reflection
b)
diffraction
c)
resonance
d)
refraction
32.

The singer is able to break the glass because....

a)

He shook the glass

b)

His voice was the same amplitude as the glasses natural amplitude

c)

His voice was the same frequency as the glasses natural frequency

d)

He didn't break the glass, it was a trick

33.

The Tacoma Narrow's bridge collapsed because of...

a)

resonance, the wind matched the bridge's natural frequency

b)

the doppler effect, the wind matched the bridge's natural frequency

c)

resonance, the bridge builders used poor materials

d)

the doppler effect, the frequency increased

34.

When something resonates, it causes in an increase in....

a)

wavelength

b)

frequency

c)

compression

d)

amplitude

35.
A part in a longitudinal wave where the particles are spread apart
a)
compression
b)
rarefaction
c)
crest
d)
trough
36.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
37.

What does a sound wave need to travel?

a)

a medium

b)

natural frequency

c)

a vacuum

d)

a gas

38.
What state of matter allows sound to travel the slowest?
a)
Solid
b)
Liquid 
c)
Gas
d)
Doesn't Matter
39.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
40.

Which wave has the highest frequency?

a)

A

b)

B

c)

C

d)

None (same frequency)

e)

none of these are correct

41.

Due to the Doppler effect, a person standing in front of the car would hear a high pitched sound because..

a)

The sound waves would be high frequency

b)

The sound waves would be low frequency

c)

The person would hear the same sound as someone behind the car

d)

None of these answers are correct

42.

Due to the Doppler effect, a person standing in behind the car would hear a low pitched sound because..

a)

the frequency is high behind the car

b)

the frequency is low behind the car

c)

they would hear the same sound as someone in front of the car

d)

none of these answers are correct

43.
When the sound source moves, the frequency changes
ex. police car siren sounding lower pitch after the car passes
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
44.

For a mechanical/longitudinal wave, A represents...

a)

rarefaction

b)

compression

c)

wavelength

d)

amplitude

45.

For a mechanical/longitudinal wave, B represents...

a)

rarefaction

b)

compression

c)

wavelength

d)

amplitude

46.

What application of sound is seen in this picture?

a)

sonar

b)

ultrasound

c)

frequency

d)

pitch

47.

What application of sound is seen in this picture?

a)

sonar

b)

ultrasound

c)

frequency

d)

pitch

48.

What is a reflected sound.

a)

Vibration

b)

Echo

c)

Pitch

d)

Volume

49.

__________ uses sound waves to detect objects underwater such as sunken ships, icebergs, or even the ocean floor.

a)

Sonar

b)

Radar

c)

Echolocation

d)

Ultrasound

50.

Ultrasound...

a)

is used to detect objects underwater

b)

uses radio waves

c)

is sonar

d)

is used to create images of the inside of the body

51.

Some animals use this to navigate and hunt

a)

frequency

b)

ecolocation

c)

vibration

52.

Bats use _______________to fly at night.

a)

echolocation

b)

mammals

c)

roost

d)

nocturnal

53.

Echolocation helps bats, dolphins and whales locate prey and avoid obstacles

a)

True

b)

False

54.

What application of sound is pictured?

a)

Sonar

b)

Echolocation

c)

Radar

d)

Ultrasound

55.

A sound that bounces off a surface and travel back is called a(n) ________.

a)

loud sound

b)

echo

c)

repeat

d)

quiet sound

56.

A represents _________________ of the wave.

a)

compression

b)

rarefaction

c)

amplitude

d)

wavelength

57.

B represents ______________________ of the wave.

a)

compression

b)

rarefaction

c)

amplitude

d)

wavelength

58.

Sound is a form of __________________ energy.

a)

Radiant

b)

Electrical

c)

Mechanical

d)

Thermal

59.

Sound is a form of mechanical energy because..

a)

it travels via vibrations (movement) of particles

b)

it is not a form of mechanical energy

60.
Sound waves are ALWAYS what type of wave?
a)
Transverse
b)
Longitudinal 
c)
Depends 
d)
always different
61.
Which type of wave does sound travel in?
a)
Transverse
b)
Longitudinal
62.

In which of these types of media will sound travel fastest?

a)

Solid

b)

Liquid

c)

Gas

63.

A wave that requires a medium through which to travel

a)

mechanical/longitudinal wave

b)

chemical wave

c)

electromagnetic wave

d)

pitch

64.

Sound can travel through space (a vacuum)

a)

True: Sound does not require a medium or particles to travel

b)

False: Sound requires a medium or particles to travel

65.
High frequency waves have _________ wavelength.
a)
varying
b)
high
c)
the same
d)
low
66.

Which letter(s) represent the wavelength?

a)

A to B

b)

B to D

c)

B to F

d)

C to E

67.

A wave with large wavelength will have ______ frequency

a)

high

b)

low

68.
Which device measures sound waves?
a)
Oscilloscope
b)
Stethoscope 
c)
Radio
d)
I don't know
69.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
70.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
71.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
72.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
73.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
74.
What is volume?
a)
how high or low a sound is
b)
the loudness or softness of a sound
c)
the number of vibrations per second
d)
vibrations
75.
Amplitude is used to measure what?
a)
Pitch
b)
Volume
c)
Sound
d)
Echoes
76.
A sound with a low frequency and low amplitude would be....
a)
Loud with a high pitch
b)
Loud with a low pitch
c)
Quiet with a high pitch
d)
Quiet with a low pitch
77.
We measure pitch in....
a)
Volume
b)
Decibles
c)
Amplitude
d)
Frequency
78.
How LOUD or quiet a sound is...
a)
Pitch
b)
Fequency
c)
Volume
d)
Echo
79.
Energy that you can hear? 
a)
Sound
b)
Light 
c)
Heat 
d)
pitch
80.
We measure sound in...
a)
Decimals
b)
Decibles
c)
Frequency 
d)
Amplitude
81.
There's a great big beautiful
a)
tomorrow
b)
taco
c)
Train
d)
Tiki Room
82.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
83.
What happens when you increase the amplitude of a sound?
a)
it makes the sound louder
b)
it makes the sound travel faster
c)
it increases the wavelength of the sound
d)
it increases the frequency of the sound
84.
This is the unit used to measure the volume of a sound. 
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
85.
True or False: Can sound travel through a vacuum (space).
a)
True
b)
False
86.
True or False: Sound travels better through solids than through liquids
a)
True 
b)
False
87.
What is a pitch?
a)
highness or lowness of a sound
b)
the intensity of a vibration
c)
the amplitude of the sound wave
d)
volume of sound
88.
Sound waves move more quickly through _________________ matter
a)
dense
b)
light
89.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
90.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
91.
You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?
a)
sound waves reflecting off smooth, flat surfaces throughout the house
b)
sound waves moving around the large rooms
c)
sound waves moving slowly through air
d)
sound waves refracting around corners in the empty rooms
92.
If distance C on the diagram increased, what would happen to the pitch? 
a)
The pitch would be louder. 
b)
The pitch would be softer. 
c)
The pitch would be higher. 
d)
The pitch would be lower. 
93.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
94.
______ is how high or low a sound is; depends on the frequency.
a)
pitch
b)
frequency
c)
sound
d)
medium
95.
A soft, low pitch sound would have which of the following....
a)
low frequency 
high amplitude 
b)
high frequency 
high amplitude 
c)
low frequency 
low wavelength  
d)
low frequency
low amplitude 
96.
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
a)
Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
b)
Wave A and B have the same amplitude, but Wave A has a lower pitch. 
c)
Wave A and B have the same pitch, but Wave A is a softer sound. 
d)
Wave A and B have the same pitch, but Wave B is a softer sound. 
97.
After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above? 
a)
The distance represented by C would increase. 
b)
The distance represented by C would decrease. 
c)
The distance represented by D would increase. 
d)
The distance represented by D would decrease. 
98.
If I increase the energy of a wave, what will happen to the pitch? 
a)
stays the same
b)
increases
(higher pitch)
c)
decreases
(lower pitch)
d)
goes up but levels off
99.
A soft, high pitch sound would have which of the following....
a)
low frequency 
high amplitude
b)
low frequency 
low wavelength 
c)
high frequency 
low amplitude
d)
high frequency 
high amplitude 
100.
______ is how loud or soft a sound is; depends on the amplitude.
a)
pitch
b)
frequency
c)
loudness
d)
medium
101.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
102.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
103.

The number of crests or troughs that pass by over a certain amount of time

a)

Frequency

b)

sound

c)

amplitude

d)

volume

104.

The distance between one crest or trough to the next

a)

volume

b)

acoustics

c)

sound

d)

wavelength

105.

The distance between the resting point and a crest or trough

a)

acoustics

b)

pitch

c)

amplitude

d)

volume

106.

What is a tool that makes sounds louder called?

a)

pitch

b)

wavelength

c)

outer ear

d)

amplifier

107.
Sound cannot travel through which of the following?
a)
empty space
b)
gas
c)
liquid
d)
solid
108.
How can you make the pitch of a sound higher?
a)
Turn up the volume
b)
increase the vibration
c)
Shorten the string
d)
hit the string harder
109.
What does 1 represent?
a)
trough
b)
crest
c)
amplitude
d)
wavelength 
110.
What does 2 represent?
a)
amplitude
b)
wavelength 
c)
trough
d)
crest
111.

What affects the pitch of a stringed instrument?

a)

The thickness of the string, tension on the string, length of the string

b)

The shape of the instrument.

c)

The shape of the hole.

d)

How the strings are plucked.

112.

What happens when a rubber band on a cup is plucked?

a)

The cup changes shape.

b)

The rubber band always breaks.

c)

The cup will vibrate back and forth.

d)

The rubber band will vibrate back and forth.

113.

The farther away you are from the source of sound the softer the volume and the less clear the sound is.

a)

True

b)

False

114.

What is the loudness of softness of a sound?

a)

volume

b)

pitch

c)

vibrations

d)

energy

115.

What do you call how high or low a sound is?

a)

Volume

b)

Pitch

c)

Vibrations

d)

Sound

116.

If you blow into these two whistles, the shorter one will produce a sound that is

a)

higher

b)

lower

c)

softer

d)

louder

117.

The material through which waves travel...

a)

speed

b)

motion

c)

bounce

d)

matter

118.

Loudness of sound is measured in ...............

a)

decibels

b)

feet

c)

degree

119.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
120.
A note is played on a guitar.  Next, a lower note is played on the guitar.  Which of these statements describes the lower note?
a)
Both notes vibrated at the same speed.
b)
The second note vibrated slower.
c)
The second note vibrates at a higher frequency.
d)
The second note vibrated faster.
121.
Which is a tool that is used in medicine to view internal organs and pregnancy.
a)
radar
b)
doppler
c)
ultrasound
d)
sonar
122.
Sound waves move more quickly through _________________ matter
a)
dense
b)
light
123.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
124.

Sound cannot pass through ____________.

a)

air

b)

vacuum

c)

gas

d)

liquid

125.

In sound waves where the air molecules are close together it is called _______________

a)

compression

b)

rarefaction

126.

Sound travel fastest in ___________ and slowest in ____________.

a)

gas, solid

b)

solid gas,

127.

The intensity of sound is measured with sound level meter on a scale called_______________

a)

Decibel (dB) scale

b)

meter scale

c)

Ritcher scale

128.

Sound is produced by -----

a)

Heat energy

b)

Low temperatures

c)

Vibrations

d)

Friction

129.

True or False: Sound waves are faster than light.

a)

False

b)

True

130.

The unit for measuring frequency is the ---

a)

joule

b)

hertz

c)

gram

d)

newton

131.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
132.
What does pitch depend on?
a)
amplitude 
b)
frequency
c)
intensity 
d)
volume of sound
133.
A disturbance that travels through a medium as a longitudinal wave
a)
sound
b)
wavelength
c)
pitch
d)
frequency
134.
travels through solids fastest because the molecules are closer together
a)
speed of sound
b)
wavelength
c)
frequency
d)
amplitude
135.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
136.
Material (matter) through which a wave travels
a)
medium
b)
Doppler Effect
c)
sound
d)
pitch
137.
How high or low a sound is; depends on the frequency (greater frequency= higher pitch)
a)
pitch
b)
frequency
c)
sound
d)
medium
138.
When the sound source moves, the frequency changes
ex. police car siren sounding lower pitch after the car passes
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
139.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
140.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
141.
The number of wavelengths that pass a point each second
a)
crest
b)
amplitude
c)
frequency
d)
pitch
142.
A disturbance that transfers energy from one place to another without transferring energy
a)
wave
b)
trough
c)
pitch
d)
sound
143.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
144.
Highest point of a wave
a)
crest
b)
trough
c)
wavelength
d)
frequency
145.
travels through solids fastest because the molecules are closer together
a)
speed of sound
b)
wavelength
c)
frequency
d)
amplitude
146.
You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?
a)
sound waves reflecting off smooth, flat surfaces throughout the house
b)
sound waves moving around the large rooms
c)
sound waves moving slowly through air
d)
sound waves refracting around corners in the empty rooms
147.
After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above? 
a)
The distance represented by C would increase. 
b)
The distance represented by C would decrease. 
c)
The distance represented by D would increase. 
d)
The distance represented by D would decrease. 
148.
Which of the following would you hear as a low pitched sound? 
a)
sound wave with a frequency of 50 Hz
b)
sound wave with frequency of 10,000 Hz
c)
sound wave with an intensity of 10 dB
d)
sound wave with an intensity of 100 dB
149.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
150.
This is the unit used to measure the volume of a sound. 
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
151.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
152.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
153.
What is a pitch?
a)
highness or lowness of a sound
b)
the intensity of a vibration
c)
the amplitude of the sound wave
d)
volume of sound
154.

Bats use ________ to locate mosquitoes in the air.

a)

solar

b)

ecology

c)

echolocation

d)

refraction

155.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
156.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
157.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
158.

Sound is made when a source of energy forces the matter to _________.

a)

shake

b)

vibrate

c)

move

d)

stay still

159.

Sound waves cannot travel through _________.

a)

paper

b)

milk

c)

hydrogen

d)

empty space

160.

In which of these types of media will sound travel fastest?

a)

solid

b)

liquid

c)

gas

d)

vacuum

161.

Which physical property of a medium is defined by how close the particles of the substance are to each other?

a)

elasticity

b)

temperature

c)

density

d)

amplitude

162.

Which temperature causes sound to travel more slowly?

a)

hot

b)

cold

163.

The maximum safe level for loudness is __________.

a)

0 dB

b)

60 dB

c)

85 dB

d)

130 dB

164.

High frequency sounds have ___________ pitch.

a)

high

b)

low

165.

Two sound waves of different frequencies interfere and produce a resulting waveform shown with four points (W, X, Y, and Z) marked on the new wave.


At which point will the sound be the loudest ?

a)

W

b)

X

c)

Y

d)

Z

166.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
167.

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

a)

Rarefaction

b)

Amplitude

c)

Compression

d)

Hertz

168.

The measure of the amount of energy in a wave is ----

a)

Wavelength

b)

Hertz

c)

Frequency

d)

Amplitude

169.

Sonar and echolocation use ----- to detect objects under water.

a)

Refraction

b)

Reflection

170.
When the sound source moves, the frequency changes
ex. police car siren sounding lower pitch after the car passes
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
171.
Which of the following would you hear as a low pitched sound? 
a)
sound wave with a frequency of 50 Hz
b)
sound wave with frequency of 10,000 Hz
c)
sound wave with an intensity of 10 dB
d)
sound wave with an intensity of 100 dB
172.

What does Label #1 show?

a)

Trough

b)

Crest

c)

Amplitude

d)

Wavelength

173.

What does Label #3 show?

a)

Trough

b)

Crest

c)

Amplitude

d)

Wavelength

174.
As the frequency increases:
a)
Wavelength increases
b)
Wavelength decreases
c)
Wavelength stays the same 
175.
According to your notes, what is the speed of sound in air?
a)
150 miles/hour
b)
340 meters/second
c)
3,000 meters/second
d)
600 miles/second
176.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Solid molecules move quickly.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
177.
Which is a tool that is used in medicine to view internal organs and pregnancy?
a)
oscilloscope
b)
doppler
c)
ultrasound
d)
sonar
178.
Wavelength and frequency have what relationship?
a)
Direct - when one increases, so does the other
b)
Inverse - when one increases, the other decreases
c)
Unrelated - sometimes they both change in the same way, and sometimes they don't
d)
Exponentially squared relationship
179.
Pitch and frequency have what relationship?
a)
Direct - when one increases, so does the other
b)
Inverse - when one increases, the other decreases
c)
Unrelated - sometimes they both change in the same way, and sometimes they don't
d)
Exponentially squared relationship
180.
Which sound wave has high frequency?
a)
sound wave 1
b)
sound wave 2
c)
sound wave 3
d)
sound wave 4

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