WorksheetsYear 4-5 Sound Review
Total questions: 22
Worksheet time: 12mins
Sound energy is responsible for which of the following.
sun rays beaming through a window
heat for stoves
music from various instruments
motion of a car
Which one is not a cause of noise pollution?
How does noise pollution affect the whales in the sea? Choose two.
They cannot hear each other.
They cannot see each other
They cannot sing anymore
They find it hard to know the space around them
How do we get affected by noise pollution? Choose 2.
Our sleep gets disturbed
Our music gets nicer
Our ear drums get torn
Our health gets better
What is the unit of measurement for frequency of sound?
megahertz
decibels
hertz
kilohertz
What is the range of human hearing in terms of frequency?
20 Hz - 20,000 Hz
30 Hz - 30,000 Hz
10 Hz - 10,000 Hz
40 Hz - 40,000 Hz
What is the unit of measurement for amplitude (volume of sound)?
hertz (Hz)
meters(M)
grams(g)
decibels (dB)
What is considered very loud for the human ears?
40dB
70dB
100dB
If Samuel wants to adjust the pitch of his voice to match the music, what is he actually changing?
The quality of his voice.
His vocal cord.
The loudness of his voice.
The frequency of his voice
Which one in the picture can show us the structure of liquid?
A
B
C
Which medium can sound travel through?
Gas
Solid
Vaccum
Liquid
How does the sound of drumming reach someone's ears through the solid drumsticks? 
Sound travels through solids by passing through empty spaces between molecules.
Sound travels through solids by creating waves.
Sound travels through solids by vibrating the molecules of the solid.
Sound travels through solids by cutting the molecules of the solid.
What are the three main parts of the human ear?
Pinna, cochlea, and eardrum
Outer ear, middle ear, and inner ear
nerve, eardrum, and outer ear
vocal cord, middle ear, and inner ear
William's drum functions like an ear drum. What does it do? 
Vibrates and transmits sound waves to the middle ear, just like an ear drum. 
Produces sound waves, just like an ear drum. 
Filters out background noise, just like an ear drum. 
Amplifies sound waves, just like an ear drum. 
What is the function of the cochlea in the inner ear? 
The cochlea amplifies sound vibrations.
The cochlea filters out background noise.
The cochlea converts sound vibrations into electrical signals. 
The cochlea helps maintain balance in the inner ear.
What is the function of the nerve?
To transmit electrical signals from the inner ear to the brain
To amplify sound vibrations
To filter out background noise
To create new sound vibrations to brain.
When making sounds, the thickness of a rubber band will determine its_________.
stretch
pitch
energy
strength
