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14 Sound travels through some materials faster than others.

The table shows the speed of sound in different materials.

speed of sound
material in m / s

A 330

B 984

C 5890

D 4689

E 1479

(a) What is the difference between the speed of sound in material C and
material D?

Circle the correct answer.

1199 1201 1211 1219 1910 [1]

(b) Sound travels slower through gases than solids or liquids.

Material B is a liquid.

Which material in the table is air?

Circle the correct answer.

A C D E [1]

(c) Describe what happens to air particles when sound travels through air.

[1]

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