WorksheetsSound Quiz Review
Total questions: 32
Worksheet time: 16mins
To produce sound, an object must be ____.
vibrating
moving towards the listener
heated
in a gas
___ is the human perception of the energy a wave carries.
Loudness
Pitch
Wavelength
Amplitude
Hearing damage begins to occur at sound levels of about ____ decibels.
25
50
85
110
____ is made of sounds that are irregular and disorganized.
Doppler Effect
Pitch
Music
Noise
Sound travels fastest in a ____
Quiet Classroom
solid
liquid
gas
When you speak, your words are transferred to a friend ___.
by a phone
by transverse waves
by molecules colliding
by electromagnetic waves
If you pass a building with a siren sounding, as you move away from the building the sirens will sound ___.
higher
lower
the same
obnoxious
A combination of sounds with different pitches and a specific pattern is _____.
constructive interference
white noise
music
beats.
Reverberation in concert halls is caused by
diffraction
refraction
diffusion
reflection
Sound is a disturbance that travels through a medium as a
longitudinal wave
surface wave
standing wave
transverse wave
The speed of sound depends on
the loudness of the sound
the pitch of the sound
the source of the sound
the properties of the medium as it travels through
The amount of energy a sound wave carries per second through a unit area is its
loudness
intensity
frequency
pitch
Loudness is measured in units called
decibels
Hertz
meters per second
watts per square yard
Which term refers to how high or low a sound seems to a person?
loudness
intensity
frequency
pitch
The pitch of a sound that you hear depends on the sound wave's
loudness
frequency
intensity
speed
The changing pitch of a police car's siren as it moves by you is an example of
Doppler effect
resonance
speed of sound
intensity
As a sound moves towards a listener, the pitch
appears to decrease
appears to increase
stays the same
goes up and down repeatedly
What is a set of tones combined in a way that is pleasing to the ears?
noise
sound
music
end of school bell
How well sounds can be heard in a particular room or theater is described by
pitch
resonance
acoustics
timbre
Which part of your ear do sound waves enter through?
Ear Canal
Ear drum
Ear Lobe
Ear Worm
Which part of your ear sends the message to your brain that you've heard a sound?
the outermost part of your ear
the vibrating eardrum
the hammer, anvil, and stirrup located in your middle ear
the hair like structure in the cochlea that are attached to nerve cells
A system of detecting reflected sound waves is
radar
sonar
infrasound
acoustics
What do some bats use to locate food and to navigate?
dissonance
echolocation
infrasound
acoustics
Sound waves with frequencies above 20,000 Hz are called
ultrasonic
infrasound
sonar
echolocation
Doctors are able to make sonograms through the use of
ultrasound
infrasound
sonar
radar
Sound waves with frequencies below the normal human range of hearing are called
ultrasonic
infrasonic
resonance
decibels
If the amplitude of a sound wave is increased, there is an increase in the sound’s
loudness
velocity
pitch
wavelength
Transverse waves are to radio waves as longitudinal waves are to
light waves
ultraviolet waves
microwaves
sound waves
A trumpet makes a low-pitched note, while a flute makes a high-pitched note. The volume of both notes is the same. What is different for the two sounds as they travel through the air?
the amplitude
the medium
the wavelength
the velocity
Which of the following statements describes what happens when a sound wave moves from air into water?
The speed of the sound wave increases
The speed of the sound wave decreases
The frequency of the sound wave increases.
The wavelength of the sound wave decreases
A student is watching a thunderstorm. The student sees lightning before hearing thunder. Which of the following best explains why the student sees the lightning before hearing the thunder?
Sound waves can travel in a vacuum, allowing the light waves to reach the student before the sound waves.
Electromagnetic waves can travel in a vacuum, allowing the light waves to reach the student before the sound waves.
Electromagnetic waves can travel faster than mechanical waves, allowing the light waves to reach the student before the sound waves.
Mechanical waves can travel faster than electromagnetic waves, allowing the light waves to reach the student before the sound waves
The diagram shows a cell phone inside a glass jar that is sealed and connected to a vacuum pump.
The vacuum pump is turned on and removes the air from inside the jar. Which of the following statements explains what happens when someone calls the cell phone?
The signal does not reach the phone because sound needs a medium through which to travel.
The signal does not reach the phone because the signal needs a medium through which to travel.
The phone receives the signal and can be heard ringing because both the signal and sound can travel in a vacuum.
The phone receives the signal but cannot be heard ringing because the signal can travel in a vacuum but sound cannot.
