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i don't know if anyone else knows the significance of today....... but today is Saturday and that means that it is time for my results to go up. i have discovered that there are a few differences with these results and the last ones hmmm..... i might just redo my experiment once more, but I'll think about it and get back to you.
I'm not sure if i should do another video or just post all the photos up....but posting them is so hard........ I'm going to post a video like every other time, because it is more convenient and easy. Please pay attention when you watch because there is going to be an in depth-ish analysis of these results below. but don't worry, I'll tell you where it is on the video :D
VIDEO
RESULTS
At 0.02s This is what the cups of stock looked like after 5 day. Its very different compared to last time. There are quite a few obvious differences, such as the fact there is not as much bacteria/mould as before.
At 0.16 We can see that the vinegar solution is clear, just like it was at the beginning of the experiment.
At 0.22 We can see the floaty stuff in the salt solution. I think it is bacteria that has begin to form in the solution, but i will be checking it out to see what it really is.
At 0.32 We can see the mould/bacteria that has begin to form at the top of the solution. I am pretty sure that the green things are mould, but I'm not entirely sure about the brown thing.
At 0.38 At the top of the control solution there is no form of mould or bacteria gather-up that is obvious. But i think the swirly stuff at the top may be bacteria because the solution itself is cloudy and this indicates that there are large amounts of bacteria. [1]
At 0.46 We can see that the solution is VERY cloudy, indicated a very large amount of bacteria in the solution. We can also see the mould that has begin to form at the top of the solution, once again, I will be researching to find out what it is.
At 0.50 The comparison here of the vinegar solution and the sugar solution helps is see which preservative did in fact slow down the growth of bacteria in the solution. And as a picture speaks a thousand words, we can clearly see that the vinegar solution has done a much better job than the sugar.
Well, that is the end of my analysis of results. I have also decided that I am NOT going to do my experiment. I just don't have the timeor patience to redo the experiment and put the videos up and take the photos. BUT if i do redo it i will post my results up........like always.
[1] obtained from Glen Singleton (2004) 101 Cool Science Experiments (pp13) Heatherton: Hinkler Book Studios I don't know if I did this right, if you are SO SMART able to correct me, please do so.
Until next time....everyone enjoy your long weekend!!!!!