Practical Manual for GCE A/L Biosystem Technology Teachers
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Item Lesson 01: Measurement of meteorological parameters/variables which are affecting biosystems(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Weerasinghe, V.P.A.Item Lesson 02: Determination of water percentage in a soil sample by gravimetric analysis(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Premaratne, W.A.P.J.Item Lesson 03: Determination of different fractions of soil by hydrometer test and textural triangle(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Premaratne, W.A.P.J.Item Lesson 04: Determination of soil density and its compaction or porosity(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Premaratne, W.A.P.J.Item Lesson 05: Determination of water percentage of a soil sample at field capacity(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Premaratne, W.A.P.J.Item Lesson 06: Determination of pH value of a soil sample using a pH meter(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Premaratne, W.A.P.J.Item Lesson 07: Identification of few passive devices used in Technological Electronics(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Abeywarna, U.K.Item Lesson 08: Identification of active components in electronic circuits and characteristics of a Diode, Zener diode and LED(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Wijesundera, L.B.D.R.P.Item Lesson 09: Introduction to transistor and design of a simple transistor switch(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayathilaka, K.M.D.C.Item Lesson 10: Sensors connected to transistor switch(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayathilaka, K.M.D.C.Item Lesson 11: Transistor switch connected to relay and control the external load(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayathilaka, K.M.D.C.Item Lesson 12: Inverting Amplifier(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Wijesundera, L.B.D.R.P.Item Lesson 13: Voltage comparator and its application as controller(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Wijesundera, L.B.D.R.P.Item Lesson 14: Introduction to Microcontroller(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayatissa, N.W.K.Item Lesson 15: Programmable Logic Controllers(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayatissa, N.W.K.Item Lesson 16: Determination of water quality parameters such as temperature, colour, turbidity and total solids by physical methods(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Skandaraja, S.S.Item Lesson 17: Determination of water quality parameters such as pH, dissolved oxygen (DO) and electrical conductivity by chemical methods(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Skandaraja, S.S.Item Lesson 18: Treating a water sample using alum and sunlight(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Skandaraja, S.S.Item Lesson 19: Introduction to Pumps(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Jayatissa, N.W.K.Item Lesson 20: Designing a simple micro-irrigation system(Research Services Centre, Faculty of Science, University of Kelaniya, 2015) Najim, M.M.M.