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Data logger presentation

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Data logger presentation

  1. 1. NOOR ZANARRIYAH MOHAMAD GANI D20091034842 SITI SHAHIDA MOHD AZIRI D20091034836 SARAH SABILLAH IBRAHIM D20091034820 ZAINAB FASIHAH MUHAMAD SUKARDI D20091034842
  2. 2. I need to cool down!
  3. 3. ENGAGE I Need To Cool Down During a hot and sunny day, it seems that, sitting under a tree is much cooler compared to the surrounding that is exposed to sunlight. Why this phenomenon occur? Explain.
  4. 4. EMPOWER Planning and Doing Your Experiment Part 1 : Relative Humidity and Temperature Data loggerData logger Plastic bagPlastic bag Humidity sensorHumidity sensor Temperature sensorTemperature sensor Retort standRetort stand ComputerComputer
  5. 5. EMPOWER Planning and Doing Your Experiment Part 1 : Relative Humidity and Temperature
  6. 6. Time(mm:ss) Temperature I/O-1(°C) Humidity I/O-2(%) 26:51:00 22.536 26.984 27:51:00 22.536 27.143 28:51:00 22.739 27.302 29:51:00 22.739 27.302 30:51:00 22.941 27.302 31:51:00 22.941 27.302 32:51:00 22.941 27.143 33:51:00 22.941 27.46 34:51:00 23.043 27.143 35:51:00 22.941 27.302 36:51:00 23.043 27.302 37:51:00 22.941 27.143 38:51:00 22.941 27.302 39:51:00 22.84 27.143 40:51:00 22.84 27.143 41:51:00 22.637 26.984 42:51:00 22.536 26.667 43:51:00 22.333 26.825 44:51:00 22.333 26.984 45:51:00 22.434 27.143 46:51:00 22.434 26.984 47:51:00 22.434 27.143 48:51:00 22.637 27.143 49:51:00 22.637 27.143 50:51:00 22.434 26.984 51:51:00 22.536 26.984 52:51:00 22.536 27.143 53:51:00 22.536 27.143 54:51:00 22.434 26.984 55:51:00 22.434 27.143 56:51:00 22.434 26.984 57:51:00 22.333 27.143 58:51:00 22.434 26.984 59:51:00 22.231 26.825 EMPOWER Results Relative Humidity and Temperature Time interval : 1minTime interval : 1min
  7. 7. 26:51 16:49 06:47 56:45 46:43 36:41 26:39 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 EMPOWER Results Relative Humidity and Temperature
  8. 8. EMPOWER Discussions Relative Humidity and Temperature 1. What cause the plastic bag to turn cloudy at the end of the experiment? 2. Does the water content in plant influence transpiration rate? 3. What is the relationship between humidity and temperature in this experiment? 4. Why we choose 1 minute as the time interval? 5. What will happen to the leaf when transpiration rate is on maximum? 6. What happen to the transpiration rate when there is high humidity? 7. What happen to the transpiration rate when there is high temperature?
  9. 9. ENHANCE Why it is not advisable to water the plant during mid- day? Explain this phenomenon.

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