Tuesday, June 3, 2008
SCIesta at Nanyang Junior College
So well, today, under the request of Mdm Connie Yeo Sai Lin (Yes, I typed out her full name intentionally.), we visited Nanyang Junior College for SCIesta 2008. As the name suggests, it revolves around SCIENCE, one of my fortes in studies. :P Okay, I'm not really that good at it anyways.
So what happens was, we met up at 0730 at OCBC Northpoint to catch a bus there. Our team was supposed to have 5 members, Chongwei, Qunjie, Me, Heikern and Calista. But Heikern had a diarrhoea today and cannot attend, so the four of us got to enjoy the fun. Anyways, we ran into Mrs Priya at OCBC Northpoint in the morning, she was going to NIE. XD
So, we reached at about time, but it seemed that 0830 was the registration, and it was opened all the way until 0900. So we took a walk around the campus to kill time. The first few parts of the programme was terribly boring, presentations by the students and Principal about their crazy passion for Science, yes. Then it was Tea-Break at 1000, and it ended at 1030. Then we proceeded to make some milk plastic from expired milk and vinegar. That was where the fun began.
We strongly believe that Poon Chong Wei has offended the fire element today. We were supposed to heat the expired milk until around 60 degrees Celsius before adding in the vinegar. So we added it in and it started to blob. Chongwei was stirring it with a stirrer there and it continued to blob. Later, it went "BLOB!!" and some content spilt out of the beaker. We switched off the hot plate and left the thing to cool by itself, but it continued to blob. Each blob sent the beaker nearer to the edge of the hot plate.
So that was something after one blob or two. It continued blobbing as we stood behind the yellow line for our own safety, staring at it. And finally it came! The next four photos explains an idiom well...
... Don't cry over spilt milk.Then we've got nothing to do because it was shattered, so we helped to clean it up after a while to save our school's image. XD
Anyways, then it was lunch. I just happen to see the photocopying station there and got reminded of that book I've seen in Kinokuniya. The notice should go in terrible English and with some potential for puns. I saw that notice and here it is.
What melts again? The machine?
After lunch was a bit of free time before the Station Games. I didn't take many photos for the Station Games, only one for the pretty rainbows. We were to mix water with sugar/honey to make different densities of dyed solution and then making them look like a rainbow. Here goes.
The left was the sugar one, the right one the honey. Kewl eh? The sugar one kinda sucked.
Then the second station was named "Non-Newtonian Fluid". Kewl name. We were given a packet of rice flour, corn flour and salt each, and two ziploc bags, two eggs and some vinegar and tomato ketchup. We were given two tries to drop the egg place in a ziploc bag with some medium from the second floor, and try to make the egg survive the fall. Vinegar could soften the egg shell so we tried that. I wanted to use the rice flour but Chongwei said we should just use corn flour because it makes sticky liquid. Rice flour was STICKIER anyways. We went later to see that the only egg which did not break was the one in thick rice flour solution. Salt would make the egg float so we tried. Ketchup was useless. Ours broke ultimately, by a bit.
The third station was the rocket boost, a crappy crazy game. We were given an unknown white substance which was assumably a metal, since we were also given sulphuric acid to mix with it. Then a reaction would occur and the gas would cause the bottle stuck to a straw with a string going past it zip all the way from one table to another. We tried, but the gas and solution bursted out of the thing without the bottle moving a bit. XD
Then we were asked what substance was the white one and to write the chemical equation. We thought it was calcium, but it was not. I have no idea what it was. We SMSed Connie Yeo to ask but she said it was either Ca or Ba. So it should be Ba. Qunjie still has a white sulphate salt stain on his pants, so we might try to test for cations on his pants to find out. XD
Then was the Green Car thing. We got full marks for the car and 8/10 for timing. We only attached one end of the elastic thread to the car, and taped the other on the other side of the table. We pulled it to the far end and released it, and it travelled like hell. We didn't even need to measure, we got full marks. XD
The last station was some staple game about surface tension of water. A beaker was filled to the brim with tap water and staple bullets (bars) were added in one by one by one member of the group at once. (Kewl sentence) We suspect that Qunjie has Parkinson's so he was trembling all the way while putting the staples. I dropped it in straight to reduce water resistance that might cause ripples and cause water to overflow from the beaker. We got only 7/15 points for the dropping staples part.
Then they said dishsoap would reduce water surface tension and they demonstrated with the paper clip that would float on the water surface when put via a sift. A drop of soap was squirted in and the thing sank at once. Then pepper was sprinkled over the water and i was asked to dip my finger in. Nothing happened to the pepper layer. Another finger of mine with soap dipped in and the pepper rushed to the side and began sinking. Kewl stuff.
Then we had a break before going for some Science quizzes by the top 3 teams in the Station Games. Kewl questions and kewl game overall. Had fun.
The certificates are with Qunjie, he will hand them to Connie Yeo who would probably give them back to us. XD
So that ends the dramatic day. Good-bye. Its almost 0200. XD
posted at 1:31 AM
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