Available practice: 73 of 75 marks. Parts 7(a) await marking support. Scores cover available parts only. Theory Paper 2: Section A is compulsory and Section B offers a choice of two questions. Four published mark-scheme discrepancies across the two variants are held from automatic marking.
(a)Equal volumes of air, copper and water are heated from 20 °C to 80 °C. They expand by different amounts. Draw a line from each box on the left-hand side to show which expands the most and which expands the least.
Answer guidance
Draw Accuracy is being marked. Use the figure and be precise about position and labels.
[1 mark]
(b)(i)1Fig. 4.1 shows a mercury laboratory thermometer. Describe what is meant by its temperature range.
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[1 mark]
(b)(i)2Fig. 4.1 shows a mercury laboratory thermometer. Describe what low sensitivity means for its scale.
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[1 mark]
(b)(ii)Fig. 4.1 shows a mercury thermometer. This thermometer has a suitable range for use in laboratory experiments, but has a low sensitivity for some experiments. State one change in the design of a thermometer that increases its sensitivity.
Answer guidance
State A short answer. No explanation is needed, and adding one cannot earn extra marks.
[1 mark]
5054/21/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 2 variant 1 · Question 4