Tuesday, August 12, 2008
Common test @ 1:27 AM
Sec 1 Express: chapter 10 and 11Chapter 10-Parts of the river in the upper, middle and lower courses, hydrological cycle, deposition and erosion in the meander, benefits and problems of the river and the Aswan High Dam (Please know the difference!!!)
Chapter 11-Difference between weather and climate, climograph, parts and purpose of a stevenson screen, rain gauge, calculate annual rainfall (total rainfall), temperature range (diff bewteen highest and lowest), mean temp(average temp), how wind is created and the instrument to measure wind.
Sec 2 N(A): Chapter 8 and 9
Chapter 8- 4 national taps, water conservation.
Chapter 9: Causes, effects & prevention of air, water and land pollution.
Sec 2 Exp: Agriculture
Learn the input and output of each farming method and the key processes, learn about the benefits, problems and solution for green revolution.
Follow as I how teach you all to study and you will be fine.
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.