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Collin last won the day on December 6 2018

Collin had the most liked content!

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    May 2019
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  1. Collin

    Chem IA help pleaseee

    For example, in my IA in order to get rid of the water in the sample, I used 4 centrifuge tubes to do centrifugation and later used an oven set at 75 degrees to dry it. It is creative because normally you'll only dry it naturally. But the reagent that I used will decompose when exposed in light or heated at more than 100 degrees ( after my research). So this is a creative methodology. It's just sth that you create to solve the small problems faced in your experiments to make them more accurate.
  2. Collin

    Chem IA help pleaseee

    I actually think this is a great idea. You can definitely get a score of around 16-18 as long as it goes well. Many of my classmates were also using the spectrometer in the process. A higher score will be achieved if you can try coming up with a creative procedure that can be the most accurate.
  3. Collin


    For electrical engineering your choices are mostly great. Business and Management SL is super easy, and Physics, Math HL are really essential for engineering. English B HL can be used to replace IELTS in most European Schools, but I am not sure about Czech schools, so I suggest you look for it on the school website.
  4. Collin

    IB HL course

    Hi man, Cheer up! It is not the end of the world to get 2 grades lower than 3 in HL. I once got a 4 in Geography and I am alive and well. From what I know, only when you get a score of 1 in a single subject will you fail ib. I am a Physics HL student as well (12th grade), and I would say that physics HL is not difficult if you have a good teacher and you understand all the concepts involved. Practice a lot before exams can help as well! In this way, you can definitely get higher scores! Hope you can be well in your exams!
  5. Collin

    What can I investigate concerning bikes (mechanics)?

    Hello The followings are my own opinions that you can borrow from: If you want to do something related to bikes, then try maybe investigate the relationship between friction and the distance travelled? Or maybe distance travelled and coefficient of friction? You can change the surface to a rougher one and try to find out the coefficient, for example. On the other hand, if you want to do an IA not related to bikes, I suggest doing sth that you genuinely like. For me, I am a fan of electricity so I decided to investigate solenoid behaviors. For an physics IA there is no need to have really complex theoretical frameworks. You'll only need to do the experiment with some creativity, collect and process the data with accuracy and reach meaningful conclusions that are applicable or verifiable in the scientific context.
  6. Collin

    Chem IA

    This is a Chemistry IA

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