 |  Due to the rain, Harith is standing in the shelter to measure the sunlight intensity. |  The fountain that we are working on. |
 Side view of the fountain |  Jasmine Chen checking if the bubble in the tripod is in the centre. |  Harith using the solar meter to measure the intensity of sunlight. |
 Harith is trying to adjust the angle for the board to be tilted. |  Xin Quan and Harith adjusting the stand, before the start of the test. |  Irfaan and Jasmine Soo calibrating the solar meter for measurement. |
 The bubble should be in the centre of the green liquid. It is to check if the stand is horizontally stable. |  The clinometer is used to measure test what angle of elevation absorbs the most amount of sunlight intensity. |  The direction is pointing North. |
it has been a week since the training we last had.
now, we had completed the test on the light intensity.
but we had not plot the graph.
i guess we will be doing it this coming week.
it is hard for us to take the readings as the weather has not been good enough.
it started raining since the first day of our project which is 24th March.
the problems we faced during this activity:
on the first day, the battery of the camera could not sustain till the end
secondly, on the second day the red board came off the stand
we could not find replacements for our activity as most of us have busy schedules (e.g NAPFA test)
May 21, 2009 at 6:22 PM
Cinny: My time slot for taking the time intensity was actually at the 11.15 a.m. I could still remember that I had difficulties when taking the light intensity as the compass and the board, used to stablise, actually dropped off from the set up. I had a hard time fixing the set up during the peak hour and I was actually sweating under the hot Sun. However, it was overall a good experience and I got to know more how light intensity affected the efficiency of the solar cells.
ReplyDeleteMay 26, 2009 at 3:39 PM
Xin Quan:
ReplyDelete- There were about 11 members in the Science project, which consisted of both the Secondary 4 and Secondary 3 students.
- There were about 9 readings which required most of us to conduct the light intensity measurements. In addition, we were supposed to come out in between lesson time to measure the light intensity. Although we did miss some important lessons like English, Additional Mathematics and Science, it was still worth-while as it allowed us to study stuff which were not taught in class curriculum.
- I was the one who took most of the measurements as the others were busy as they were doing their D&T project etc.
- Despite the rainy days, we were still required to take the measurement of the light intensity. This was for us to find out whether during rainy days, there were still have any sunlight available.
- At the start of every experiment, we had to make sure that the bubble was in the middle of the instrument that was used to check if the device was actually parallel to the ground.
Jie Lun commented :
ReplyDeleteAlthough the light intensity measurements was not taken by me , i followed douglas once when he was testing it. I learnt abit on how to construct and take actual reading. As complained by few students , the first few days were not sucessful because of the bad weather.