O-LevelGeographyThe natural environment2217/23 · Oct/Nov 2017 · Q38 Marks

Study Fig. 4, which shows a maximum-minimum thermometer.

(a)(i)What is the current temperature shown by the thermometer?[1]
(a)(ii)Calculate the range of temperature since the thermometer was last reset. Show your working. Reading of maximum index: ...........................................°C Reading of minimum index: ...........................................°C Range of temperature: ...........................................°C[3]
(b)(i)The thermometer should be reset at the same time each day. Explain how to reset the thermometer.[2]
(b)(ii)Why should the thermometer be reset at the same time each day?[1]
(c)Why should the thermometer be kept in a Stevenson screen?[1]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

[1] 3(a)(i) 26 °C
[3] 3(a)(ii) 32 13 19 (Allow ECF)
[2] 3(b)(i) Push the button / use a magnet Bring the index down / to current temperature
[1] 3(b)(ii) So data can be compared / consistent So each set of data is for 24 hours So temperature passes through a maximum and a minimum in each period
[1] 3(c) Records shade temperature Thermometer is protected Standard height / conditions / able to make comparisons / consistent

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