Tuesday, August 12, 2008
Worksheet 11.2 answers for sec 1 express @ 1:19 AM
Q1a: 34°C, 23°CQ1bi: It should be placed at B, it is an open space with no obstruction.
Q1bii: A is too near the wall. C is on a hard surface and will reflect heat from the sun. D is under a tree and the screen will be under a shade.
Q1ci: 33°C-21°C=12°C
Q1cii: (33°C+21°C)/2 = 27°C
Q1ciii: The temperature is lowest in the morning at about 1am and the highest at 1pm in the afternoon.
Q1di: Rain gauge
Q1dii: see notes
Q1diii: The funnel is direct water into the collecting cylinder and the outer casing is prevent backsplash and water from the surrounding from getting in.
Q1div: 1489mm (add all up)
Q1ei: in an open field to avoid obstruction or at the top of a tall building to get a clearer view
Q1eii: Northwest.