10 questions🇬🇧English
🔊 Sound – Year 4
Science · Year 4 (KS2) — how vibrations make sound, how it travels to the ear, and what changes pitch and volume
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Questions
What causes every sound we hear?
Something vibrating
Light hitting an object
Air getting warmer
Something staying very still
20s
You walk further and further away from a radio. What happens to the sound you hear?
It gets higher
It gets fainter
It gets louder
It stays exactly the same
20s
Why do workers wear ear defenders near loud machines?
To make the sounds higher
To help them hear the machines better
To muffle the sound reaching their ears
To stop the machines vibrating
20s
Someone bangs a drum across the room. How does the sound reach your ear?
Vibrations pass through the air
The sound travels through your eyes
The drum sends out light
The air stays still and you see it
30s
Why does hitting a drum harder make a louder sound?
The drum skin gets tighter
The drum vibrates more slowly
The drum makes bigger vibrations
The drum stops vibrating sooner
30s
Two guitar strings are equally tight and equally thick. Which one makes a higher pitch when plucked?
The shorter string
Both make the same pitch
The longer string
The one plucked harder
30s
You stretch an elastic band tighter over a box and pluck it again. What happens to the pitch?
It gets higher
It gets quieter
It gets lower
It stays the same
30s
A swimmer with her head underwater can hear a boat's engine. What does this show?
Water stops all vibrations
Sound is made by water
Sound can only travel through air
Sound can travel through water
30s
A very large drum and a small drum are hit in the same way. How does the pitch of the large drum compare?
It is exactly the same
It keeps changing
It is lower
It is higher
30s
Why can't astronauts hear each other shout in space without using radios?
Low gravity stops vibrations
It is too cold for sound
Their voices are too quiet
There is no air to carry the vibrations
30s