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Found 1,946 results

  1. Hey all, just hoping to get some help regarding my extended essay topic. I'm currently doing my extended essay research question on To What Extent Did the American Red Cross Impact World War One Europe? I've been ok-ed by my teachers for this topic and have been chugging along. I just got my hands on the extended essay guide course companion book and read through some parts, and looked around online for additional information. My problem is I'm starting to think my topic can't really be looked at from other angles. All my research blatantly shows they had a large impact, how would I argue against that or view it from another angle? I was thinking about maybe writing something about how they compared to other humanitarian aid organizations in that area, maybe find some information on how they did stacked up to others? I'm really not sure so I'm hoping some smart people here can give me some guidance. If possible I'd rather not overhaul my EE topic to something super different as I've already sunk 10 hours into this, and don't want it to be for nothing. Thanks!
  2. Hello! I am planning to major in economics or business in university, and am thinking of studying in the US or Canada. Should I take HL Physics with HL Math application and HL Visual Art to show my willingness to take the most challenging course out of what I can, or take HL Economics instead of HL Physics to relieve my stress with HL Physics and HL Math, and aim for higher grade overall? Thank you.
  3. I want to investigate the use of math in GPS. however, I feel like its too broad of a topic how can I make it more specific?
  4. Hi, I need an urgent help for my math IA. I have the attached graph, for my set of data. I need to find a suitable function for it and I really cannot find correct one. I tried to split the graph to different parts but the teacher said it won't be good. Therefore, if someone knows how to find a function for this graph I would be very thankful. Thank you in advanced :)))
  5. Hi there, I'm really struggling with topic 1 stoichiometry and I really need help! Will you please help me with the following 3 questions? 1. 5.0dm3 of 2.00mol dm-3 sodium carbonate solution, Na2CO3 (aq)was added to a volumetric flask and the volume was made up to 500 cm3 with water. What is the concentration in mol dm-3, of the solution? 2. How many grams of sodium azide, are needed to produce 68.1dm3 of N2 (g) at STP? Molar V at STP = 22.7 dm 3 mol-1 ; Mr(NaN3) = 65.0 2NaN3 (s) → 3N2 (g) + 2Na (s) 3. 2.478g of white phosphorous was used to make phosphine according to the equation: P4 +3OH- +3H2O ---- PH3 +3H2PO a) Calculate amount in mol of white phosphorus used b) This phosphorus was reacted with 100.cm3 of 5.00 moldm-3 of aqueous sodium hydroxide. Deduce, showing your working, which was the limiting reagent. c) Determine excess amount in mol of the other reagent d) Determine the volume of phosphine, measured in cm2 at STP that was produced. For #3, I'm stuck after the first a), and I have no clue how to start off with number 1 and 2. Is #1 a question related to titration or concentration? For question 2, do I use the volume of gas law with the volume ratio to solve the question? Thank you, please help me!!
  6. I want to switch from Spanish SL to chinese AB intio but its almost been a year. My ib coordinator says that I cannot switch because I am heritage of china although I cannot speak, read or write chinese??? Also she says that there needs to be 150 hours of teaching meet before the end of the year. To my knowledge I heard you can take an online course on top of the course at school to fulfil the 150 teaching hours. I don't see why I cannot take AB Initio chinese. Could someone please clarify about the heritage thing thanks.
  7. I am currently a student taking IB and a subject I have been quite struggling with is SL Spanish. I have taken Spanish for 3 years prior but I still have been finding it very difficult to keep up with classmates and do well in tests. I was wondering if it was possible to move down to AB Initio Spanish even though I have prior experience in that language. I have asked my IB coordinater and she said no. Is there any where I can find the offical regulations to this. Also would like to know where she gets this information from because she would not tell me where it says. Thanks
  8. ohkay

    TOK!!!

    Okay, so for the knowledge question, I had some trouble coming up with a question. At one point, the ToK teacher wanted an update on my presentation and she wasn't satisfied with my knowledge question, so she basically helped me come up with one. After a few days, I realised the KQ that my teacher had given me is from the prescribed title for the ToK Essay of the same year and so I got worried and approached her. When I told her about the issue, she said she'll check and make sure for me. So after another few days, I went up to ask her if it was fine using that question and she said it was. I forgot all about it up until now and I'm so paranoid that I'll lose my diploma because of it. I overthink a lot of scenarios in my head and it's been bugging me a lot recently and it isn't helpful as I'm having my final exams next week. I know that everything I've used from others is cited but I still get scared from plagiarism for some reason (??). Is it likely that the IB will eliminate my diploma because of this? I'm really scared and worried because I'm actually trying really hard with my studying and I don't want it to go down by the drain just like that.
  9. So i'm thinking about my IA Topic for bio and my teacher recommends doing something that interests me. The only thing that comes to mind is the Miller Urey experiment and the topic of Abiogenesis. I'm wondering if there is anything I can do surrounding the experiment or abiogenesis.
  10. Hey guys, our teacher has asked us to think about what we want to do for our EEs. I have literally no idea what to do... I want to do something in biology but I was wondering if you HAVE to do an experiment... I've been looking online and there's a lot of mixed responses to this question... Also, if I was going to do an IA on a space related topic, what questions/topics could I research?? please help me thank u
  11. Hi guys, I’m currently working on my Math SL IA and I need help on what maths to use. I am investigating the variables affecting reaction time, such as sleep, gender and involvement in sports. My teacher approved my topic, yet he said simple statistics would not be enough for an SL IA. He said I could calculate probabilities from the distribution graphs, but I’m not sure what he meant. If anyone could explain how I could use probabilities and give me more ideas on what maths I could apply in my investigation, I would really appreciate it.
  12. Want to share the title of your extended essay? Or perhaps need help choosing one? This is the place. Psychology - The Psychology of Road Rage: A discussion of psychological explanations of road rage and policy implications.
  13. Im planning to do an IA on creating a model of female BMI from age 0 to 20, is creating model and finding out the sine equation enough? If not what else can I do? Thanks guys.
  14. Hi, I am having a lot of trouble when it comes to choosing my real life situatuion. I don´t even know how real the real life situaution has to be. Allow me to explain, my teacher told us that it has to be real, as in it can happen in real life, but that doesn´t mean it IS really happening. The more I try to explain it it gets even more confusing, what I am trying to say is that I don´t know whether the real life situation has to be an example of something that actually exists or if it can be about a situation the could hypothetically happen. Because I want my RLS to be related to memory and how memory changes with time, and how little details start to blur and also how we might be convinced that something actually happened when it never did. But I can´t think of a real life situation and I still don´t know if I can make it up or If I have to use an actual RLS. If anyone could help me I will be eternally grateful to you.
  15. I've been struggling with my chem ia topic - every idea I have turns out to be too hard to pursue with my current knowledge and skills or I just have no idea how to come up with an actual method to measure something. My teacher isn't too helpful either - she isn't too keen to give me any tips or help me develop my ideas into a valid research question. Lately, I've been thinking about investigating how does the presence of different metal ions affect the rate of hydrolysis of esters. Is it a good idea, should I take it seriously and look into it? And what method could I use?
  16. hello everyone. I am trying to choose which subjects to have in a HL. I know that I have to take HL physics, that one is sorted and decided. but i am wondering if I should have math HL. the career counselor of my school tells me that I am capable of doing it, but my credits would decrease as it is a really tough subject and that is the important stuff. but I also know that I might need to have the knowledge for what is thought in math HL. i really do not know whether is better to have a 6-7's on math SL or to take it HL and to have 4-5's but I would know more content. help please. i need togive them in 3 days. if it's helpful, these are the subjects I've chosen English SL French SL Economics HL Physics HL Math HL or SL? Chemistry HL (I was told to chose 4 HL to have a back up plan, one will be dropped afterwards) thank you
  17. Hello, I need help deciding what topics to pursue. The topic I really want to do is how do the different isomers of butanol affect the yield of carboxylic acid in primary alcohol oxidation. I am planning to do some reflux experiments with this. Unfortunately, I thought this topic was well researched but it seems perhaps the mechanism has ok research but not the compound. So I am having research problems, but I can probably generate more theory since I essentially will talk about elements of molecular geometry that affect its oxidation. I have abundant ideas of further research topics for this if I down this route (ex. what if I use phenol or what if its the same formula but different pattern of bonds?). Currently, the research I have may suffice, but I will have to piece the research together (for example I have research talking about butanol as a compound, then combustion data..etc) to develop it to be adequate. The other topic I feel uncomfortable with, but A LOT of research is written about it. It involves seeing the efficiency of hydrogen production when using a strong base or strong acid. If I go down this route, I will be conducting experiments of electrolysis. I have found abundant research for base electrolytes, but it feels kind of answered and I just have a faint idea of how I am going to discuss this in theory. I would love to hear your opinions and thanks too!
  18. Hi, I was just wondering if anyone has good structures of writing paragraphs for both HL English papers?
  19. mylaaah19

    ESS IA

    Hello, I have a question. What counts and what doesn't count in the word count for ESS IA? I know that the maximum word count is 2250
  20. Hi everyone, So, I am a junior currently taking IB music SL. My situation is unique because I am the only person taking this course, and mostly am doing Independant study during my school's orchestra period. So I have no proper instruction or resources beside my old, outdated, textbooks. Besides my background in music and frequent practice on my instruments, i want more ways to practice and prepare for my exam at the end of the year. Any online resources or tips or anything that I can use to apply my knowledge would be helpful! Thank you for any responses in advance!
  21. Guysss!!! I am a DP1 student and took SSST Serbian as a subject. The problem is that nobody in my school has a slight idea how everything should work, therefore no idea whether my booklist is okay or not(by the IB recommended list it is). But I have no idea how anything should work and if you are/were or know anyone that did it. Pls pls pls answer. #ibstruggles
  22. Psychology IA Statistics Help (Tversky and Kahneman 1974) I chose to do my IA on the Tversky and Kahneman 1974 experiment on the anchoring bias. Basically, it was an independent samples design. In condition A, the participants were asked to estimate a numerical expression in ascending order 1 X 2 x 3 x 4 x 5 x 6 x 7 x 8. In condition B, it was presented in descending order 8 X 7 X 6 X 5 X 4 X 3 X 2 X 1. I already ran the experiment, but my problem is with getting the statistics. As it is independent measures, my teacher said to use the Mann-Whitney test. However, when I input my data, I get this notification: The sum of ranks for samples A and B combined does not equal [n(n+1)]/2. Please check your data entries. Do you have any suggestions for what to do? What test to use instead?? Or do I stick with the test and create ranges (that's what my teacher suggested)? Any help is appreciated. If you want to see the original experiment https://msu.edu/~ema/803/Ch11-JDM/2/TverskyKahneman73.pdf (Study 6: Extrapolation) *Btw the actual value was 40,320
  23. My IA for macroeconomics is about inflation but the solution that the article states is redenomination, which is not in the topic of economics. Is it alright if I evaluate redenomination in a macroeconomics IA?
  24. Hey, I am desperately in need of help on how I should write up the report for my biology IA. I did "How does the PH of the provided plant nutrition affect the germination of pea seeds?" Any ideas on how I should write it up?
  25. Gia

    Math IA

    I have decided to have my Math IA revolve around the probability behind the prisoner's dilemma. I need help deciding on three simple maths and one sophisticated math to explain the game (besides a tree diagram and expected prison sentences). I am afraid that I won't have much numbers/math to work with. Thank you in advance.
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