Sound Energy - JSS3 Basic science Past Questions and Answers - page 1
How is sound produced?
When objects move
When objects vibrate
When objects heat up
When objects shrink
What determines the pitch of a sound?
The volume of the sound
The frequency of vibrations
The amplitude of vibrations
The color of the object
What happens to air particles when sound is produced?
They stop moving
They vibrate
They disappear
They become solid
How does sound travel through a medium?
By forming light waves
By causing particles to dance
By creating magnetic fields
By generating sound waves
What determines the volume of a sound?
The speed of vibrations
The temperature of the medium
The amplitude of vibrations
The density of the medium
Which medium allows sound to travel the fastest?
Air
Water
Solids
Vacuums
What do sound waves cause in a medium as they travel?
Particles to expand
Particles to shrink
Particles to vibrate
Particles to vanish
What happens when you pluck a guitar string?
It creates light waves
It produces sound waves
It generates heat waves
It forms electromagnetic waves
How do vocal cords contribute to sound production?
By emitting light
By generating heat
By vibrating as air passes through them
By creating magnetic fields
In what form does sound travel through air?
As water waves
As light waves
As compression waves
As magnetic waves