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Sound Wave

Total questions: 100

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

Sound waves travel as ________ waves.

a)

Transverse

b)

Longitudinal

c)

Surface

2.

Sound is made when a source of energy forces the matter around it to __________.

a)

Vibrate

b)

Amplitude

c)

Stay still

d)

Pitch

3.

Sound waves CANNOT travel through which of these:

a)

Paper

b)

Milk

c)

Outer space

4.

Loudness of waves is measured in

a)

Hertz

b)

Decibels

c)

Watts

5.

High frequency sounds have _______ pitch

a)

HIgh

b)

Low

6.
High Amplitude =__________________
a)
Louder sounds
b)
Quieter Sounds
7.
Low Amplitude = ______________
a)
Quieter Sounds
b)
Louder sounds
8.
Sound is produced when something ______________
a)
Vibrates
b)
Moves through empty space
9.
Low frequency = _______ Pitch
a)
Low
b)
High
10.
High frequency = _______ Pitch
a)
High
b)
Low
11.
In General Sound waves travel the fastest in __________
a)
solid
b)
liquid
c)
Gas
d)
plasma
12.
In General Sound waves travel the slowest in __________
a)
solid
b)
liquid
c)
Gas
d)
Plasma
13.
Which wavelength would have the highest pitch like a flute or whistle?
a)
High Frequency Wavelength
b)
Low frequency Wavelength
14.

Which wave produced the loudest sound?

a)

high Amplitude

b)

low Amplitude

15.
A sound is loud or soft depending on its ____________
a)
Amplitude
b)
Frequency
16.
A sounds high or low pitch depends on the waves ______________
a)
frequency
b)
amplitude
17.

A reflected sound wave is called a(n) ______.

a)

frequency

b)

pitch

c)

echo

d)

rarefaction

18.

Way in which sound waves are used by animals such as dolphins and bats.

a)

Echolocation

b)

Transverse

c)

Doppler Effect

d)

Longitudinal

19.

One important characteristic of sound waves is that they are ___________________ waves.

a)

mechanical

b)

short

c)

ultraviolet

d)

primary

20.

Sound waves must travel through ___________________.

a)

air

b)

a medium

c)

an outward area

d)

a short

21.

Sound waves can NOT travel through

a)

Air

b)

Water

c)

Earth

d)

space

22.

The sound that we actually hear is the vibration of molecules.

a)

True

b)

False

23.

Longitudinal waves means that the disturbance of the wave travels in different directions as the wave.

a)

True

b)

False

24.

This is a visual of a sound wave. It is an example of _____________________ wave.

a)

a mechanical

b)

a longitudinal

c)

both a mechanical and longitudinal

25.

If there is a loud noise in your house, the sound travels through

a)

the air

b)

the air and the wall

c)

the air, the wall, the floor

d)

the air and most everything in the house

26.

If there is a loud noise in space, the sound travels through

a)

the space particles

b)

small atoms in space

c)

space is a vacuum, so nothing

27.

What is the source of a sound wave?

a)

Electricity

b)

Vibration

c)

Light waves

d)

Tiny nuclear explosions

28.

The intensity of a sound wave is equal to the sound power (P) divided by the _______.

a)

Area

b)

Time

c)

Distance

d)

Energy

29.

What type of energy does a sound wave have?

a)

Mechanical

b)

Radiant

c)

Electrical

d)

Sound

30.

Sound is produced by -----

a)

Heat energy

b)

Low temperatures

c)

Vibrations

d)

Friction

31.

True or False: Sound needs a medium.

a)

True

b)

False

32.

Sound waves are also known as ----- waves.

a)

Compression

b)

Longitudinal

c)

Neither

d)

Both longitudinal and compression

33.

True or False: Sound waves are faster than light.

a)

False

b)

True

34.

Areas of increased pressure on a sound wave are known as a ----

a)

Rarefaction

b)

Compression

c)

Frequency

d)

Amplitude

35.

The distance from the beginning of one compression to the beginning of the next compression is called a -----

a)

Rarefaction

b)

Frequency

c)

Wavelength

d)

Compression

36.

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

a)

Rarefaction

b)

Amplitude

c)

Compression

d)

Hertz

37.

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

a)

Hertz

b)

Amplitude

c)

Frequency

38.

The unit for measuring frequency is the ---

a)

Joule

b)

Hertz

c)

Gram

d)

Newton

39.

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

a)

Wavelength

b)

Hertz

c)

Frequency

d)

Amplitude

40.

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

a)

Frequency

b)

Resonance

c)

Interference

d)

Speed

41.

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

42.

Sound waves travel the fastest through ---

a)

Liquids

b)

Gases

c)

Solids

43.

Sound waves that are beyond the range of human ear are known as ----

a)

Infrasonic waves

b)

Ultrasonic waves

44.

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

a)

Refraction

b)

Reflection

45.
A disturbance that transfers energy from one place to another without transferring energy
a)
wave
b)
trough
c)
pitch
d)
sound
46.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
47.
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
48.
Cletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results?
a)
a material that produces sound
b)
a material that absorbs sound
c)
a material that transmits sound
d)
a material that amplifies sound
49.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)
concussion. 
b)
amplitude. 
c)
reflection.
d)
frequency. 
50.
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. 
51.
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
52.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
53.
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
54.

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

55.

Sound waves travel the fastest through ---

a)

Liquids

b)

Gases

c)

Solids

56.

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

a)

Refraction

b)

Reflection

57.

Sound waves that are beyond the range of human ear are known as ----

a)

Infrasonic waves

b)

Ultrasonic waves

58.

Which state of matter do sounds travel fastest in?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

59.

Why does sound travel faster in solids than in liquids or gases.

a)

They are harder.

b)

The particles are closer together.

c)

Solids have more energy.

d)

Gases fill their container.

60.

Why does sound travel faster in solids than in liquids or gases.

a)

They are harder.

b)

Solids are more dense.

c)

Solids have more energy.

d)

Gases fill their container.

61.

Roughly what is the speed of sound in air?

a)

The speed of light.

b)

About 10 m/s

c)

About 340 m/s

d)

About 1 500 m/s

62.

Roughly what is the speed of sound in air?

a)

About 350 m/s

b)

About 1 500 m/s

c)

About 5000 m/s

d)

About 1800 m/s

63.

Roughly what is the speed of sound in water?

a)

About 350 m/s

b)

About 1 500 m/s

c)

About 5000 m/s

d)

About 1800 m/s

64.

Roughly what is the speed of sound in steel?

a)

About 350 m/s

b)

About 1 500 m/s

c)

About 5000 m/s

d)

About 1800 m/s

65.

Roughly what is the speed of sound in rubber?

a)

About 50 m/s

b)

About 1 500 m/s

c)

About 5000 m/s

d)

About 1800 m/s

66.

Roughly what is the speed of sound in glass?

a)

About 50 m/s

b)

About 1 500 m/s

c)

About 4 500 m/s

d)

About 1800 m/s

67.

Roughly what is the speed of sound in wood?

a)

About 50 m/s

b)

About 1 500 m/s

c)

About 4 500 m/s

d)

About 1800 m/s

68.

Calculate the speed of sound if a sound wave travels 680 m in 2 seconds.

a)

1360 m/s

b)

340 m/s

c)

The speed of sound is always the same

d)

250 m/s

69.

Calculate the speed of sound if a sound wave travels 1020 m in 3 seconds.

a)

3060

b)

365 m/s

c)

340 m/s

d)

250 m/s

70.

A sound wave travels through water at a speed of 1500m/s for 2 seconds. How far does it travel?

a)

750m

b)

340m

c)

3000m

d)

300 000 000 m/s

71.

A sound wave travels through water at a speed of 1500m/s for 3.5 seconds. What distance does it travel?

a)

750m

b)

4 500m

c)

428.57m

d)

365m

72.

A sound wave travels through air. It travels 3 400m at a speed of 340 m/s. How long does it take to get there?

a)

102000 seconds

b)

666 seconds

c)

4.25 seconds

d)

10 seconds

73.

A sound wave travels through air. It travels 1 700m at a speed of 340 m/s. How long does it take to get there?

a)

578 000 seconds

b)

666 seconds

c)

4.25 seconds

d)

5 seconds

74.

A teacher tries to work out the speed of sound. She bangs two bits of wood together. She hears an echo from a wall. The wall is 25m away. How far has the sound travelled?

a)

340 m

b)

25 m

c)

50 m

d)

12.5 m

75.

A teacher bangs two bits of wood together. She hears an echo from a wall 0.14 seconds later. The wall is 25m away. What is the rough speed of sound, ACCORDING TO THESE RESULTS?

a)

Roughly 340 m/s

b)

Roughly 360 m/s

c)

Roughly 375 m/s

d)

Roughly 330 m/s

76.
The speed of sound at 20 degrees celcius is:
a)
331 m/s
b)
365 m/s
c)
621 m/s
d)
343 m/s
77.
Which factor does not affect the speed of sound:
a)
temperature
b)
distance
c)
density
d)
elasticity
78.
The warmer an object is, the ____________ sound will travel through it.
a)
faster
b)
slower
79.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
80.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave
81.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
82.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
83.

What is the speed of light in kilometers per second?

a)

1,000,000 km/s

b)

300,000 km/hour

c)

300,000 km/minute

d)

300,000 km/s

84.

Why does sound travel faster in solids than in liquids or gases.

a)

They are harder.

b)

The particles are closer together.

c)

Solids have more energy.

d)

Gases fill their container.

85.

Which state of matter do sounds travel fastest in?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

86.

Roughly what is the speed of sound in air?

a)

The speed of light.

b)

About 10 m/s

c)

About 340 m/s

d)

About 1 500 m/s

87.

Roughly what is the speed of sound in glass?

a)

About 50 m/s

b)

About 1 500 m/s

c)

About 4 500 m/s

d)

About 1800 m/s

88.

Why does sound travel faster in solids than in liquids or gases.

a)

They are harder.

b)

Solids are more dense.

c)

Solids have more energy.

d)

Gases fill their container.

89.

Calculate the speed of sound if a sound wave travels 1020 m in 3 seconds.

a)

3060

b)

365 m/s

c)

340 m/s

d)

250 m/s

90.

A sound wave travels through water at a speed of 1500m/s for 3.5 seconds. What distance does it travel?

a)

750m

b)

4 500m

c)

428.57m

d)

365m

91.

Calculate the speed of sound if a sound wave travels 680 m in 2 seconds.

a)

1360 m/s

b)

340 m/s

c)

The speed of sound is always the same

d)

250 m/s

92.

A teacher tries to work out the speed of sound. She bangs two bits of wood together. She hears an echo from a wall. The wall is 25m away. How far has the sound travelled?

a)

340 m

b)

25 m

c)

50 m

d)

12.5 m

93.

A sound wave travels through air. It travels 3 400m at a speed of 340 m/s. How long does it take to get there?

a)

102000 seconds

b)

666 seconds

c)

4.25 seconds

d)

10 seconds

94.

A teacher bangs two bits of wood together. She hears an echo from a wall 0.14 seconds later. The wall is 25m away. What is the rough speed of sound, ACCORDING TO THESE RESULTS?

a)

Roughly 340 m/s

b)

Roughly 360 m/s

c)

Roughly 375 m/s

d)

Roughly 330 m/s

95.

What is produce by vibration?

a)

Sound

b)

Light

c)

Rhythm

d)

Vibration

96.

On which medium sound travels the slowest because the particles are spread out?

a)

Solid

b)

Liquid

c)

Gas

97.

Amplitude affects which characteristic of sound waves?

a)

frequency

b)

pitch

c)

loudness

d)

wave speed

98.

Where does vibration produced when someone is speaking?

a)

Pharynx

b)

Larnyx

c)

Vocal Chords

d)

Trachea

99.
A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.
a)
high, low
b)
low, high
c)
medium, high
d)
high, medium
100.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave

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