17 marks
A Bunsen burner heats a beaker of water, as shown in Fig. 4.1.

(i) Fig. 4.2 shows the thermometer used in Fig. 4.1.
State the temperature shown on the thermometer.

temperature = .................................................... °C [1]
(ii) The thermometer shown in Fig. 4.2 uses a physical property that changes with temperature.
Indicate the measurable property that changes with temperature. Tick one box.
expansion of glass
expansion of liquid
colour of liquid
colour of glass
[1]