WorksheetsSound
Total questions: 94
Worksheet time: 2hrs 42mins
Sound waves travel as ________ waves.
Transverse
Longitudinal
Surface
Sound is made when a source of energy forces the matter around it to __________.
Vibrate
Amplitude
Stay still
Pitch
Sound waves CANNOT travel through which of these:
Paper
Milk
Outer space
Loudness of waves is measured in
Hertz
Decibels
Watts
High frequency sounds have _______ pitch
HIgh
Low
Which wave produced the loudest sound?
high Amplitude
low Amplitude
A reflected sound wave is called a(n) ______.
frequency
pitch
echo
rarefaction
Way in which sound waves are used by animals such as dolphins and bats.
Echolocation
Transverse
Doppler Effect
Longitudinal
Sound travels as a ____________ wave.
transverse
electromagnetic
longitudinal
gamma
Which term refers to how high or low a sound seems to a person?
intensity
reflection
volume
pitch
The picture shows sound waves from a musical instrument. In which way is the sound wave in picture 1 different from the sound wave in picture 2?
it has a lower pitch
It has a lower volume
It has a greater amplitude
It has a higher frequency
Why can't sound waves travel through a vacuum?
There are no particles to travel through and vibrate.
It is not dense enough.
The frequency is too high.
Sound waves can travel through a vacuum.
Choose the unit that is used to measure how loud or powerful a sound is.
wavelength
decibel
longitudinal
sonar
Which wave represents the sound with the lowest pitch?
A
B
C
D
What happens when a wave reflects?
It bends as it enters a new medium.
It splits into smaller waves.
It bounces off the surface of a barrier.
It bends to move around a barrier.
A back-and-forth motion causing particles to move close together generates a _______.
rarefaction
surface wave
transverse wave
compression
A rarefaction is generated when particles move ______.
together
closer
under
apart
Sound waves cannot travel through which of these ____.
paper
milk
outer space
hydrogen
Which physical property of a medium is defined by how close the particles of the substance are to each other?
elasticity
temperature
density
amplitude
Which temperature causes sound to travel more slowly?
hot
cold
The strength or intensity of a wave is represented by which wave measurement?
period
velocity
wavelength
amplitude
To calculate the speed of a wave, which of the following are necessary?
time and amplitude
wavelength and amplitude
time and frequency
wavelength and frequency
Which statement best describes the relationship between the frequency and the wavelength of waves?
As frequency increases, wavelength gets longer.
As frequency increases, wavelength gets shorter.
As wavelength decreases, frequency remains the same.
As wavelength changes, there is no change in frequency.
Which is the measurement of the energy of a wave from its resting point to the highest point?
frequency
amplitude
trough
wavelength
Sound is produced by something...
echolocation
vibrates
vocal chords
Some animals use this to navigate and hunt
frequency
ecolocation
vibration
Sound needs a ____ to travel through
frequency
medium
echolocation
small
The ___ energy a sound wave has the ____ the sound
more, softer
less, louder
less, softer
How does an echo occur?
sound travels faster than light
sound bounces off solids
sound is absorbed by solids
A sound wave produced by a lower-pitched instrument has a low ___
distance
echolocation
loudness
frequency
The diagram shows a cartoon of a sound wave produced while a student is speaking.
What happens to the sound wave when the student speaks louder?
The amplitude increases
the wavelength will double
the speed will increase
the amplitude will decrease
The diagram shows a research vessel using sonar to map the ocean floor.
Upon which basic behavior of sound waves does this technology depend?
absorption
compression
reflection
refraction
Echolocation allows an animal to ...
Climb trees faster
Fly upside down
See an "image" of a nearby object
Find a friend
Dolphins use echolocation to replace what sense?
Sight
Hearing
Taste
Smell
In echolocation, the animal uses echoes of sounds it produces to collect information about its surroundings.
True
False
Most humans can hear ultrasound.
True
False
Which of these animals use(s) echolocation? Choose all that apply.
bats
dolphins
elephants
cats
owls
A ____________________ is a longitudinal wave that is caused by vibrations and travels through a medium.
light wave
sound wave
microwave
water wave
In a ________________________ wave, the particles vibrate in the same direction that the wave travels, or parallel to the wave.
light wave
microwave
water wave
longitudinal wave
_____________________ is how high or low you think a sound is.
volume
amplitude
pitch
frequency
________________________ is the use of echos, or reflected sound, to find objects.
ultrasound
sonography
echolocation
reflexology
Which carries information by copying an original sound?
analog signal
digital signal
volume
frequency
Which carries information by changing original sounds into numbers?
analog signal
digital signal
volume
frequency
What do digital signals turn sounds into?
analog signals
interference
continuity
zeros and ones
Who hears the jet's engines making a lower pitched noise as it approaches?
the pilot
the man on the ground
both hear the same pitch
What is the Doppler Effect?
A change in frequency due to the relative motion of a wave source and an observer
When a wave overlaps with another wave
When a wave bounces off of another object
When a wave bends due to traveling through a different medium
What does the color red mean if an object is moving at very high speed in space relative to the observer?
The object is moving away decreasing the frequency in relation to the observer.
The object is moving closer increasing the frequency relative to the observer.
The object is stationary and the frequency is equally distributed in all directions.
The object is moving closer decreasing the frequency relative to the observer.
You are driving in a car and honk the horn at a person standing in the street. As you approach the person, what happens to the pitch of the horn according to you in the car?
It increases
It decreases
It stays the same because you are in the car moving with the sound.
All waves carry ______________.
Sound
Light
Matter
Energy
If the wavelength is increased then frequency will ________.
increase
decrease
stays the same
the doppler effect causes a shift in...
pitch
wavelength
frequency
All of the above
What is the doppler effect?
a change in the frequency of sound, light or other waves to cause a change in pitch
A change in pitch that causes frequency, sound, light and other waves to disappear
I have no idea
A change in sound that alters frequency
What is Redshift
Objects move away us, give off red light
Objects move towards us, give off blue light
Objects move towards us, give off red light
Objects move away us, give off blue light
