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kw0573 last won the day on February 14

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    May 2015
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  1. If the class has 5 or fewer students in a class, all IAs are automatically chosen for moderation. Even those people's work that are not sampled are affected. Sampling should be able to correct for any bias as long as you don't have a large population (eg >30) or too few people that your teacher bias. Complain to IB has no harm on you, the biggest impact for you is that IB won't do anything. Check IB Answers for directions.
  2. I am not saying video games cannot be CAS, but your description of which is difficult to justify as CAS. Some examples of how video games can be CAS: Introduce others to video games to help relieve stress, or to cope with mental / psychological disorders Make illustration / music accompaniment / creative writing based on the game Play video games in which some rigorous physical activity is involved (eg XBox 350 Kinect, PlayStation Move, Pokemon Go while jogging) Produce videos about video game recommendations/reviews, which would include some degree of video-editting and film making skills (including sound-mixing, storyboard planning, etc) Good luck!
  3. I agree with @jacquattack. If ESS satisfies the entry requirements, I certainly think it is viable. If you can average 6-7 in every subject (around 40+), I do not think most American universities can reject you on basis of grades. I think 36-37/45 in any combination can get at least some offers as an international student in US and 40+ can be a very very solid grade. I do of course encourage you to take biology if you are interested in it or going to a bio-related field, but otherwise ESS is fine. Scores are not the only criteria in admission and you should also worry about showcasing your passions and leadership skills. Then again as international students, if you only apply to Ivy Leagues or Stanford then it's a completely different story. Academic accomplishments alone are not nearly enough for these schools.
  4. Objectively your combination is likely not the most challenging combination, but don't let that deter you from doing your best and scoring a very good score. Admission-wise, if all prerequisites have been met, post-secondary admission offices want higher scores rather than difficult course combinations. For example if you get 40+ in this combination, they would not say that you have an easy course load but rather that you are a very good student. On another note, always strive for better, and not look down upon yourself if you were to get the occasionally bad test result. I cannot say much regarding difficulty between ESS and Biology, but ESS has fewer very experienced teachers and as a result have very low percentages of 7s every year in comparison to biology.
  5. If you are scared of bad grades, IB is not for you. Grade 9 IB should not be nearly as bad as Grade 11/12 actual IB. My grade 9 average was higher than my grade 8 average.
  6. While IB frequently talks about personal and shared knowledge, "methodology" is not a IB term. You should probably ask your teacher for clarification. Good luck!
  7. So can you clarify your question? Are you writing a TOK essay on photography and you have to talk about "methodology"? Do you have a prompt for what you are supposed to do?
  8. Sometimes the solution to resolve a problem with an authority figure IS NOT by first going to a higher authority. I think if you just tell your teacher that you now have a tutor, that should erase his doubts. You should also find some respectful phrasing to suggest that he can only insinuate you upon evidence (eg eye-witness, cheat sheet, talking to other students). It is a very important skill to try to resolve the issue on your own first, which will build trust between you and your teacher. Your teacher can potentially be quite resourceful to your future endeavors (predicted grades, to speak the least), so with age you should improve your interactions and communication skills with your teachers.
  9. Luckily in HL exams most (at least Part A) questions are repeats of types of problems that appeared on previous exams. You will likely encounter similar struggles in later units. In light of which, it's really hard for us to summarize every possible problem solving approach. In your homework (or if you have time), just try all the different formula you know. Assume you don't know the steps and you look at your equations, log (ab) and log(a/b) are useless right now (for first step). So essentially you would either try to raise to some power or change of base. Attempt 1: Raise everything to the power of e. x = e^(4 logx e). Attempt 2: Raise everything to power of x. x^ (ln x) =e^4. Attempt 3: change of base to ln: ln x = 4ln e / ln x. This seems most promising. Now you don't have time to do trial and error for every question on the actual exam, but this offers a back up plan in case you see a new question type. If you have the time, I would not recommend looking at the manual for a step-by-step solution. In homework just first time go through do all the problems you can do. Then you go back and use different strategies to tackle questions you stumbled the first time. If you are aiming for a 6 or 7, it's worth to sometimes spend 30-60 minutes on a single question, where upon knowing the right strategy, the same question would only take minutes on the exam. Practicing problems is not for just getting the answers, it's also very good practice in choosing strategies to approach questions.
  10. Yes, but OP needs to be very very concise in such background explnations to still keep the IA focused on math.
  11. Show is to derive. Verify is plugging in the answer to see if works.
  12. Regarding plagiarism. As long as you cite properly they cannot call you out for plagiarism. It's fine if it's based on one source: I wrote my EE in Math and based entirety on a website and 3 equations from a textbook. Complexity of math is measured in the criterion "Use of Mathematics" /6 and as long as you are using syllabus-level math and use them properly, you can get a 4 or 5 out of 6. I cannot say how your IA affect your Alberta grade. If you were to be accused of plagiarism, your teacher will notify you in April and you need to prepare a defence. If you don't hear anything when you write your exams you can safely assume that there is no plagiarism accusations laid on you.
  13. I often discourage students from doing correlation IAs in SL because 1) It's more suitable for SL Studies 2) If you cannot find a correlation then the IA is pointless.
  14. Self-disclaimer I took SL physics and I am not a physics genius. Constant voltage is not a bad results (if that were to be the case). Constant voltage is what Planck used to justify how the light needed for an atom to emit an electron requires a certain minimum of frequency of light (photoelectric effect).
  15. I am taking a thermodynamics course and we were just talking about this. The 2 main assumptions of the ideal gas law is 1) molecules have negligible volume 2) there is no attraction/repulsion between molecules (or no potential energy). If the volume of gas is a significant fraction of the total volume (which is at tow temperature and high pressure), then you have to "subtract" the volume of molecules from the total volume to find the volume the gas occupy. When molecules are just a bit closer from ideal behaviour, the attractive forces (london dispersion forces) make the volume just a bit smaller than ideal, but when they get too close, electrostatic repulsion (electron clouds repel each other) takes over and make volume larger than ideal. If you are interested for more detail, take a look at the van der Waals equation of gas. I would choose A. B is false. (cohesive forces decrease volume, repelling forces increase volume) C. is true (but not explanatory) assuming constant volume but I just said volume changes and D is true in both ideal and non-ideal gas, and is not of concern. If anything, collisions between molecules and walls of container are more pertinent as those increases the pressure.