Physics 5054 · O Level · Thermal properties and temperature

Thermal properties and temperature — practice question

Fig. 5.1 illustrates the particles (molecules) present in a sample of liquid water.
(a)[2]

Explain, using ideas about particles, why liquids expand more than solids for the same temperature rise.

(b(i))[1]

State the boiling point of water on the Kelvin scale of temperature.

(b(ii))[1]

Explain, in terms of particles, why energy must be provided even though the temperature stays constant.

(c)[3]

Calculate the specific heat capacity of the metal.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Particles move faster/vibrate more when heated

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