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KS3 Questions on Sound

Q6.

(a) Aisha drops a stone into a pond. She hears the sound and she watches ripples spreading out across the pond. Sound, ripples on water, and light travel at different speeds.

(i) Which travels fastest: sound or ripples on water or light?

Light

1 mark

(ii) Which travels most slowly: sound or ripples on water or light?

Ripples on water

1 mark

(b) Which sentence about sound is correct?

A
 Sound cannot travel through air.
B
 Sound cannot travel through stone.
C
 Sound cannot travel through a vacuum.
D
 Sound cannot travel through water.

1 mark

Maximum 3 marks