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WorksheetsSound 1
Total questions: 90
Worksheet time: 30mins
How are sounds made?
when we turn on the radio
when things vibrate
when there is friction
when we sing a song
which instrument produce a sound when we pluck it?
which part of a bee that produce sound?
antennae
wings
leg
sting
Why is sound able to travel faster through a solid than a gas?
Gas molecules are packed tightly.
Sound does not travel faster through a solid than a gas.
Solid molecules are packed tightly.
Gas molecules move slowly.
A place where no sound exists is_____________.
in the air.
under water.
space.
Sound is produced by the __________ of the particles.
motions
vibrations
rotations
accelerations
Sound is a form of
Music
Energy
Strength
Beats
(Hint: Think about our sound song.)
What is the definition of Period?
How long it takes to complete one wave.
How often a wave goes by.
How many waves can be completed in one second.
None of these.
Sound can travel through____________________________________________.
Solids, liquids, and empty space
Solids, liquids, and gases
Solids, empty space, and gases
Only Solids
Which sound wave shows a high pitch sound?
Which sound wave shows a low pitch sound?
We are also a source of a sound too. Which part of our body make a sound?
ear
eyes
nose
vocal cord
Which tools usually use to measure sound?
This activity proof that sound travel through...
air
liquid
solid
This picture proofs that sound travel through ....
air
liquid
solid
Which of these sound waves has the highest frequency?
Which sound waves have the same pitch but different loudness?
1 & 2
2 & 4
1 & 4
2 & 3
Sound A has a higher pitch than sound B. What must be true?
Sound A has a higher frequency than sound B.
Sound B has a higher frequency than sound A.
Sound A and Sound B have the same frequencies.
Which of the following does not produce sound?
A hammer hitting the rubber .
Explosion in outer space.
A bell ringing in the water.
Whispering into someone’s ear.
Who would hear the song at the lowest volume?
child 1
child 2
child 3
child 4
Sound waves that are beyond the range of human ear are known as ----
Infrasonic waves
Ultrasonic waves
If you want to change the pitch of a sound, you have to change the ___
speed
amplitude
volume
frequency
1 hertz is equal to
1 vibration per minute
10 vibrations per minute
60 vibrations per minute
600 vibrations per minute
A form of energy that acts on the ears so a person can hear
Sound
Noise
Frequency
Decibel
A number scale which indicates the loudness of sound (dB)
Sound
Noise
Frequency
Decibel
A rapid motion back and forth.
Sonar
Echolocation
Vibration
Music
Sound cannot Travel through
Solid
Liquid
Gas
Vacuum
Voice of which of the following is likely to have a minimum frequency?
Baby girl
Baby boy
A man
A woman
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency
1 sec. , 10 Hz
0.1 sec , 10 Hz
4 secs , 40 Hz
0.1 sec, 1 hz
A sound with a frequency below 20 Hz can be heard by
Man
Woman
Elderly persons
Elephant
for normal person , audible frequency range is
20 Hz -20 kHz
2 Hz-20 kHz
Bats can hear frequency up to__________
120,00 Hz
120,000 Hz
What is volume ?
Matter
Measure of loudness
Vacuum
Medium
Energy
What is this a picture of????
a transverse wave
a light wave
a EMS wave
a compressional wave
What type of wave is used to see this picture?
sonar
ultrasound
frequency
pitch
What parts are #8?
Semicircular Canals
Auditory Nerves
Ear Bones
Ossicles
What does voice box or larynx of human produces?
(a)
In which medium sound propagates the maximum?
(a)
Name the sound producing organ in human
(a)
Do all bodies produce sound?
(a)
What is the unit of frequency?
(a)
What is the maximum displacement of an oscillating object is called?
(a)
What is the unit of loudness?
(a)
Sound of frequency lower than 20 Hz is called the (a) .
The (a) nerve is also present in the inner ear.
Sounds which are unpleasant to the ear is called (a)
Too much noise in our surroundings that causes discomfort is called (a) .
Sounds of frequencies higher than 20,000 Hz are called the (a) sound.
(a) is the time taken by a vibrating body for one complete vibration.
Above (a) the noise becomes physically painful.
Plantation on the roadside can reduce (a) .
The hearing range of human ears is (a) .
The loudness of normal breathing of human is (a) .
The loudness of sound is determined by the (a) of vibration.
The shrillness of a sound is determined by the (a) of vibration.
……………. Is proportional to the square of amplitude.
(a)
Sound absorbing materials are required in auditorium to avoid ……………
(a)
A medium is necessary for (a) of sound.
Sound is generated by the rhythmic (a) of an object
Sound cannot travel in (a)
What is the outer part of ear called (a)
Pitch of sound is determined by its (a)
The number of vibrations made by a vibrating body in one second is (a)
The vocal cords in males are of length (a)
(a) of a sound is how our ears react to the frequency of a sound.
If the amplitude becomes twice, the loudness increases by a factor of (a)
