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Exams

Found 2,474 results

  1. Is finding the derivative of trigonometric/circular functions, like the sine and cosine functions, part of the Math SL syllabus? Is this the level of Math SL or is it more advanced? I'm thinking of doing this in my calculations for my IA. Would it work?
  2. I'm doing history HL nd I am interested in doing my History IA about the effect of the Suez crisis on ending the British Empire. Is this a good topic? Is it overdone? Thanks in Advance
  3. Hey, guys. For my ESS IA, I am investigating the relationship between average income and water usage, and as a result, I have made a questionnaire. I would be thankful if you could spend a few minutes filling out the form. The link:- https://docs.google.com/forms/d/e/1FAIpQLSc2CSMeYJBg8Yp0xo1QUpnlPm8Wmx5GG8oN-QKC8BypK3KcAw/viewform Thanks, guys!!!!
  4. Hello I take maths SL and my homework for the winter break was to come up with a topic for the IA. I'm considering f/stops in photography which has something to do with geometric sequences and some mathematical explanation why these stop numbers make sense. It seems good enough, I guess, but my concern is that it's not very authentic. May I have your opinions, please? Hadassah
  5. Hi! So my math sl ia is due sometime soon, and I can't seem to get started with it. This is the fifth time I've changed my topic, so I've wasted quite a lot of time. I finally decided to do my math sl ia on this topic: Modelling the development of swimming performance in the Asian Games.I'm planning to focus on the gold medal winning times in the women's 50 and 100 freestyle. However, I'm not sure on what mathematical concepts and processes I'm supposed to use to model it. I've read a lot of literature on it, but I still don't quite grasp the concept of how to model it. I've tried asking my teacher, but she isn't much help. Anyone can give me some guiding points on how I should take on the topic? Thank you so much!
  6. My IA is fairly simple. It is a rate of reaction practical, those ones where you can, for example, test the effect of changing temperature or pH on the rate of a reaction. My question is: can it score well? It isn't so basic that it's listed in the textbook's list of practicals but it is basic. The reaction that I am investigating is actually a very interesting one even if it is kind of basic. How would a relatively rate of reaction practical score a 7? Would I have to calculate the rate order for example?
  7. I've been asked to come up with an IA for Maths, and I was thinkng about combining a topic with DT as I wish to do product design at university. If anyone had any idea big or small it would be very useful.
  8. Hello everyone, currently I am writing a new math IA and i decided to write it under the topic of Projectile Motion. What what I want to do is take a video of a setter (in volleyball) and him setting the ball up. I'll take that video and create a graph and will derive that function. The thing is, I think that this is a little to vague, and I really don't have a clue on what to really explore within my topic. For the volleyball idea, I wanted to originally see what's the best place to put the ball in the air to get a good hit in for the spiker. If you have any further suggestions on what else I should do with this topic, I am open to any suggestions. Thank you!
  9. For example, if my IA involves finding the BOD of different bodies of water, should I link it to something such as nitrate concentration in the water body?
  10. 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
  11. So my IA draft is due in about 10 days and I figure I should start on it soon, and my teacher isn't answering my texts, wonderful! I want to do my topic on the how accurately the movie Argo (2012) represents the Iranian hostage crisis and the rescue operation. Is this appropriate, especially with such a recent movie? if anyone has any examples of old IAs done on movies that they could share that would be great! Thanks a bunch
  12. Hello, I have several ideas for my Bio IA, but I am not sure how well any of them actually are and if I could get a high mark on them or not. They are: 1) How do different concentrations of orlistat affect the activity of the enzyme lipase on the substrate butter as measured by……….? Here I am not sure how to measure the activity of the enzyme lipase. Any ideas? 2) How do different concentrations of the inhibitor (?) impact the enzyme lactase and its’ ability to break down lactose as measured by the glucose concentration of the remaining substance? Do any of you know about any inhibitors to lactase? If not any other ideas to make this question more unique would be great. Also what way is best to measure glucose concentration of lactase activity. I was thinking glucose strips but I am not sure. 3) How do different concentrations of copper (II) sulphate affect the activity of the enzyme catalase derived from bananas (maybe liver) on the substrate hydrogen peroxide as measured by……(it’s decomposition??)? Any ideas on how to measure the decomposition of hydrogen peroxide would be great. I know of a few but I am not sure my school has the equipment. Also is this an overdone idea?
  13. Hello! I wanted to post my psychology IA to help out anyone struggling. I received a solid 7 from my teacher and I'm fairly positive it was still a 7 or high 6 after moderation. I am not entirely sure if this is from the old curriculum or not, but I do know that I didn't need to do much statistical analysis if that makes any distinction. I hope this helps someone!
  14. Hey everyone, sorry for asking too many questions:( I started my IB DP two weeks ago, and I heard people in my school taking about writing IA and EE and doing group 4? projects or something like that. Could anyone briefly explain to me what they are? I am really curious.. Thank you so much!!
  15. Hello, This is my first post, I was just seeing if I could use this website as a way to reach out to some people who may be better suited for thinking in terms of IA's. My chemistry IA idea is currently about the corrosiveness rate of acid rain at different temperatures. I'm trying to extend my topic beyond the scope of the class and see maybe what applications different building materials could have in different regions based on its rain's acidity. I want to have 3 acids made aqueous, HNO2, HNO3, and H2SO4 tested on 3 or 5 different temperatures. I want to do room temperature (~70 degrees F) and 1 or 2 above and below using an ice bath and hot plate (possibly 5 to try and make a graph to interpolate other temperatures between them). The building materials I want are limestone (since it's easy and the most well-known victim of acid rain), steel, and copper as they are common, multi-purpose building materials. The thing is that I am investigating specifically the relative corrosiveness of each acid on the material. Mostly comparing the % change between temps as the acid/material stay the same (H2SO4 on limestone has x rate of corrosion at room temp, does that increase to 1.15x should the temperature go up or 0.85x if it decreases?) and comparing those percentages or relative changes between acids. The main issue I have is with the different molarities/concentrations of acid that I should use. I know that the metals will be less reactive than the limestone and that it will show results much quicker than either copper or steel. However, I want to bump up the concentration/molarity so that I don't have to sit forever and watch steel sit in an acidic solution, eroding too slowly for me to see. Also, I've been scouring and I cannot find anything about where to even start with concentrations for anything other than limestone if anyone has any resources about the corrosion rate of steel/copper in acid rain. Thanks y'all
  16. Hi, My fieldwork report (IA) is due to be finished till the end of summer tbh my class has done a fieldwork investigation already in an urban park area in a bigger city, but the whole data collection was messed up and now i'm thinking about doing a research on my own :( I live in Hungary and the only place where they grow rice is around the little town where i happen to live...they have bio rice, wild rice and all kinds of stuff, anyways It sort of a HUGE deal, the paddy fields take up an area of 1000 ha land, they water it from a special canal and supposedly it satisfies 30% of the European wild rice market demands... I've been thinking about doing an IA related to this, but i'm not sure which topic would be optimal for this and what things could i really measure... Maybe it could be about something related to soil degradation or impact on the local environment in general, and the question could be like "How has agricultural activity at Location Y affected X?", but i can't really examine the impact over time...so I don't know :/ Any idea/suggestion/tip is deeply appreciated and desperately needed :3
  17. Hey guys, I would really appreciate it if you guys could fill out this questionnaire for my ESS IA. (Edit: I have made changes to my survey and the new link is given below) https://docs.google.com/forms/d/e/1FAIpQLSc2CSMeYJBg8Yp0xo1QUpnlPm8Wmx5GG8oN-QKC8BypK3KcAw/viewform
  18. Hi, I am doing a Psychology IA on the effect of music on test performance, and am struggling to find a theory or model that describes what I am investigating. If any of you guys have perhaps done a similar study, and have a theory or model you are happy to share, that would be greatly appreciated. The original study I am using is attached below. Thanks, Altre01 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4066931/
  19. Hi there! I've been struggling quite a lot in finding a specific topic to write about for my history IA. I've narrowed it down to these topics: •Aztec empire (specifically focusing on what caused it's collapse, such as the Spaniard's military tactics for example) • Fidel Castro's involvement in women's rights • Cesar chavez tactics to gain recognition of the importance of farm workers • CIA's involvement in the Chilean coup d'etat (I've seen another person on the forum do the same topic. So I don't know how to change it up if I were to pick this topic) Essentially what I'm asking is which topic has the most potential to work for the IA? And how should I formulate the question?
  20. hi i have to write an ia for math sl and i wanted to model climate change. is this a suitable topic for math sl? also i need help writing it because i dont know how to go about it? like what do i do first? do i make a sine curve? the internet isnt really helping right now. can someone give me a few steps on how to model climate change? please i really need help! im very confused!
  21. Hi I’m going into math sl and we have to write an IA. I wanted to write an IA on population growth in China but i have no idea how to. Can someone tell me how to write this and if it’s a suitable subject for Math SL IA?
  22. Hi can anyone please try to give me some ideas for the biology HL IA? I had an idea about compost and taking the temperature of it, but I think it would take too long and require a lot of attention. I also am interested in enzymes. I love biology so much and I really enjoyed the first year of ib and I did well on the tests, but now that I'm starting to look at experiment ideas I feel so stupid and I don't understand them. Might end up dropping out. Oh well! :/
  23. This is a handy checklist to use while writing your Bio HL IA. It has all those small detail that you may easily gain marks from putting in your IA.
  24. I want to finish my ESS IA before the new school year begins and I don't really know how to write a good ESS IA (by good I mean I have to get a 7 or a 6). I thought of doing it on air pollution and for now my research question is: To what extent do distances from the Western Pomeranian coast in Poland affect the growth of lichens? However, a) I don't really like to use lichens as indicators of air pollution, is there any other, preferably SIMPLER, way of examining it? b) if you have any important advice for ESS IA pls share your wisdom I would greatly appreciate it
  25. My IA is to titrate the bases of different medications with the methanoic acid produced by bee stings; however, I am not finding any bee sting medications that have bases as their active ingredients, so I don't know what to do. Can antacids treat bee stings? Also, will I be at a disadvantage for having such a simple topic? Thank you.
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