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Sec I  Stevenson Screen
Sec I  Stevenson Screen
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Sec I Stevenson Screen

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  • 1. SECONDARY 1 GEOGRAPHY WORKSHEET Name: __________________ ( ) Date: _________ Class: Topic: Stevenson Screen Background knowledge A is an used to shield weather recording instruments against rain and direct heat radiation from the sun, while still allowing air to circulate freely around them. It is part of a standard weather recording station. The Stevenson Screen is essentially a white wooden box, fitted with louvres, and placed on stilts in an open space. Exterior Interior 1a. Why is it painted white in colour? b. Why it is made of wood? 1
  • 2. c. Why is it fitted with lourves? d. Why is it erected on stilts and place in the open space? The selection of a suitable location for placing the Stevenson Screen is crucial to the accurate recording of various weather elements. 2a. Which location should the Stevenson screen be placed (A, B, C or D)? Explain your answer. b. Explain why other sites are not suitable. 2

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