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WorksheetsWaves and Sound
Total questions: 67
Worksheet time: 35mins
Name
Class
Date
1.
The distance from any point on a wave to an identical point on the next wave
a)
frequency
b)
wavelength
c)
wave speed
d)
amplitude
2.
The letter "A" in this illustration is called what on a wave?
a)
Amplitude
b)
Frequency
c)
Hertz
d)
Wavelength
3.
What do we call the top of the wave?
a)
crest
b)
trough
c)
amplitude
d)
frequency
4.
What do we call the bottom of a transverse wave?
a)
crest
b)
trough
c)
wavelength
d)
amplitude
5.
Which of the following is NOT a property of a wave?
a)
refraction
b)
amplitude
c)
frequency
d)
wavelength
6.
A wave can make a leaf bob up and down on the water, but it cannot move the leaf toward the shore. This is because waves only transfer
a)
matter.
b)
energy.
c)
media.
d)
crests.
7.
A wave in which the particles of the medium move perpendicularly to the direction the wave is traveling
a)
surface wave
b)
transverse wave
c)
electromagnetic wave
d)
longitudinal wave
8.
A wave in which the particles of the medium vibrate parallel to the direction of the wave motion
a)
mechanical wave
b)
surface wave
c)
longitudinal wave
d)
wave
9.
What kind of wave is pictured?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
10.
What type of wave is pictured?
a)
Transversal
b)
Longitudinal
c)
Surface
d)
Seismic
11.
What do we call the part of a longitudinal wave that is spread apart?
a)
compression
b)
rarefaction
c)
crest
d)
trough
12.
How would a person measure the wavelength on this sound wave?
a)
dense to less dense
b)
trough to crest
c)
compression to compression
d)
beginning of illustration to the end
13.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
14.
The units for frequency are measured in _____________.
a)
hertz
b)
seconds
c)
m/s
d)
m
15.
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
16.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
17.
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
18.
Which of the following objects would absorb sound best?
a)
Metal chair
b)
Fabric Blanket
c)
Glass window
d)
Tile floor
19.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
20.
Which is the approximate range of human hearing?
a)
5-5,000 Hz
b)
500-20,000 Hz
c)
20-20,000 Hz
d)
20-5,000 Hz
21.
This word refers to any substance that sound can travel through. Sound can travel through solids, liquids, and gases.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
22.
What is the speed of sound in air at 20* C?
a)
150 miles/hours
b)
344 meters/second
c)
3,000 meters/second
d)
600 miles/second
23.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
24.
Damping is..
a)
an object is forced to vibrate at its natural frequency.
b)
sound changes speed in going from one medium to another.
c)
the gradual decline in amplitude of a wave as energy dissipates
d)
sound echoing multiple times
25.
When two waves are aligned and come together to create a wave with a larger amplitude that is called:
a)
Resonance
b)
Constructive Interference
c)
Doppler Effect
d)
Destructive Interference
26.
What kind of interference is shown?
a)
Resonance
b)
Constructive Interference
c)
Destructive Interference
d)
Doppler Effect
27.
The Tacoma Narrows Bridge collapsed due to being caused to vibrate at its own natural frequency, also known as _____________
a)
frequency modulation
b)
beats
c)
resonance
d)
destructive interference
28.
The Doppler effect can cause an apparent change in...
a)
loudness
b)
intensity
c)
pitch
d)
reasonance
29.
As a sound source approaches and then moves past a stationary observer, the observer will hear
a)
a steady rise in pitch
b)
a sudden drop in pitch
c)
a drop in pitch, then a rise in pitch
d)
a rise in pitch, then a drop in pitch
30.
True or False: Can sound travel through a vacuum (space).
a)
True
b)
False
31.
True or False: Sound travels better through solids than through liquids
a)
True
b)
False
32.
What does pitch depend on?
a)
amplitude
b)
frequency
c)
intensity
d)
volume of sound
33.
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
34.
What does the intensity of sound depend on?
a)
amplitude of the sound wave
b)
frequency of the sound wave
c)
wavelength
d)
the # of troughs
35.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
36.
_____ is a method of locating things underwater using echolocation.
a)
trees
b)
solar
c)
sonar
d)
turpentine
37.
Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.
a)
solar
b)
ecology
c)
echolocation
d)
evolution
38.
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.
39.
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.
40.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
41.
What happens to the sound an object makes when the speed of vibrations decreases (slow down)?
a)
its volume will increase
b)
its pitch rises
c)
its pitch becomes lower
d)
its volume decreases
42.
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.
43.
About what is the speed of sound in air?
a)
150 miles/hours
b)
750 miles/hours
c)
3,000 miles/hours
d)
186,000 miles/hours
44.
How do the air molecules move in a sound wave?
a)
in all directions
b)
at right angles to the wave
c)
in the same path as the wave
d)
the air molecules themselves do not move.
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45.
which is a tool that is used in medicine to view internal organs and pregnancy.
a)
radar
b)
doppler
c)
ultrasound
d)
sonar
46.
How often the particles of the medium vibrate when a wave passes through the medium is call
a)
speed
b)
wavelength
c)
resonance
d)
frequency
47.
What effect causes musical instruments to produce sound?
a)
harmony
b)
resonance
c)
magnitude
d)
wind
48.
I am an astronaut, floating in my spacesuit in outer space. I see another astronaut, floating in her spacesuit. I want to communicate with her. Which method would be successful?
a)
shine a light in Morse code to represent letters
b)
shout at her
c)
make a loud bang
d)
run over to her
49.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
50.
Which of the following best describes how a sound wave travels?
a)
a branch moving back and forth
b)
a car speeding up and down hills
c)
a baseball hit by a bat
d)
a marble dropped in a bowl of water
51.
Why does cupping your hands around your mouth when you shout make the sound travel further?
a)
The sound spreads out.
b)
Your voice gets louder.
c)
You are screaming.
d)
The sound energy is directed in one direction.
52.
What would happen if you tighten the strings on a guitar?
a)
it would make a low pitch sound
b)
it would make a high pitch sound
c)
it produces a slow vibrations
d)
it produces low frequency
53.
Sound needs a medium to transfer its energy therefore it can be classified as a _______________________ wave.
a)
electromagnetic
b)
mechanical
c)
medium
d)
massive
54.
Which of the following would sound travel through most quickly?
a)
Air on a hot, humid day
b)
Air on a Cool, rainy day
c)
Cool, dry day
d)
Air on a Hot, dry day
55.
According to the Doppler Effect, a person standing in front of an approaching ambulance would hear...
a)
A low pitch sound
b)
No change in pitch
c)
A high pitch sound
d)
A disturbing sound
56.
According to the Doppler Effect, a police officer driving a car with the siren on would hear...
a)
High pitch
b)
low pitch
c)
No change in pitch
d)
no pitch
57.
A disturbance that transfers energy through matter or space is _____________________________
a)
wave
b)
energy
c)
vacuum
d)
prism
58.
Sound waves with an increased amplitude also have a ....
a)
High Volume
b)
Low Volume
c)
HIgh pitch
d)
Low itch
59.
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.
60.
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.
61.
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.
62.
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
63.
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
64.
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.
65.
Which statement about sound waves is true?
a)
Air travels with them
b)
They travel through a vacuum
c)
They exist only if heard
d)
They can be reflected.
66.
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.
67.
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
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