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Found 128 results

  1. Hello! I'm doing my extended essay on plant growth, but I only have 3 trials from my experimenting. I was told that theres hardly any statistical analysis that i can do without more than 5 trials, aside from calculating the mean, and I have no idea where to go with my data. I was planning on a lab based EE from primary data, but I'm not sure if thats possible anymore seeing as I dont have enough trials for in depth statistical analysis. Should I run more trials, or should I change direction with my EE and use my primary data to support secondary data, turning it into a research based essay instead of experimental?? Please help!! - Thanks, Cherry
  2. Hey Guys, For my Bio IA I wanted to to do it on plants or food, but I wanted to do my without physically bringing or buying any plants (cause they’re too expensize for the quantity I’m buying). So if you guys have any ideas for these topics or biology in general that would help so much! Or if you have any pointers to build on or telling me what topics to avoid will help as well. ALSO I WANTED TO USE A COLORIMETER IN MY IA, BUT I DONT HAVE ANY IDEAS ON ANY GOOD EXPERIMENTS TO USE THEM (the personal engagement is weak... so if you have any ideas for colorimeter will also help...) One’s I have so far include... -chromatography -yeast aerobic respiration -germination -transpiration -fermentation I’M SO STUCK, I DON’T WHAT TO DO OR WHERE TO START! ALL THE IDEAS I GIVE ARE REJECTED (either too common or not interesting in terms of personal engagement). PLEASE HELP!!!
  3. Hello, As I am doing my world studies EE research, I came across a few obstacles. For my world studies essay, (which requires 2 subjects to approach a topic) I want to approach the biological and societal effects of using a gene editing technology called CRISPR in modifying and killing off mosquitos that carry Malaria. There's a global project going on called project target malaria, that has already conducted lab experiments and have proved that mosquito populations with malaria can be reduced. However what has left me rather confused is if I can approach the topic the way I want to. I want to explore what would happen in society and ecosystems if this global project does what it aims to. My research would be based on previous information (such as the role of mosquitos in ecosystems) and apply it to answer my question. And this brings me to ask: Is this topic too hypothetical? Should my topic entail something that has already been accomplished? All advice would be appreciated
  4. Going into jr year and class choices are due in a few weeks, please respond and thank you in advance to the ppl that do What sciences should I take and at what level if I wanna go into engineering or medical. Like what would be the best base for college? Also at what level should I take math? ^ 2 HL spots and 1 SL
  5. Hey! I have been sort of stressing out about my extended essay a little bit just because of the amount of pressure there is to get a good grade. I have been given the subject Biology (hahah obviously, it's in the name) but I don't really know how I'm supposed to write my own methodology and to actually structure it. Does anyone know how to?? Oh, and my question is: What is the impact of different light intensities and pH levels have on the bioluminescence and growth of Pyrocystis lunula? Any feedback would be 210% appreciated!! Thanks!!
  6. Hello guys, I need an interesting bio hl topic for my IA. I was thinking about something connected with allelopathy, for example, planting mint and cucumber near each other and measuring how the cucumber is affected, maybe adding different temperatures so it wouldn't seem so easy? or something with essential oils and how they affect the growth of different plants but I don't really know which I could choose. What do you guys think?
  7. Okay, so our biology teacher is a noob and we need help. She doesn't know what she's doing at all. She gives us the same tests that she gives her standard biology classes and we haven't covered the whole book at all. What do I do? I know for a fact that whatever she does won't help. So how do I save myself? What can I do to teach myself one of my least favorite subject? Please help me. I am dying and I don't want to fail.
  8. Hello does anyone know where I can find a stress inducing test like a mental arithmetic test or a Montreal Imaging Stress Task that works and is free? Thanks
  9. Hello guys, I am due to submit my extended essay and I have given my subject choice as chem+bio, but I cannot come up with any good extended essay topic. I want to do something related to medicine. Any sort of help would be greatly appreciated. Thanks in advance!!
  10. please someone answer me so i can decide whether or not i should spend 30 dollars investing in this website, is it worth it? is it a good website? or am i being scammed?
  11. Hey guys, Could someone pls give me feedback on the courses I have chosen for the DP programme. I want to go into the med field. My school doesn't offer both sci at HL. Without further ado this is what I'm thinking of taking: Hl Chem, Sl Bio, Sl French(mandatory), Hl Lang & Lit (mandatory), Sl Math, Hl History
  12. Hi I am not sure whether the topic of I want of to choose is appropriate for my IA. I was thinking of comparing the quality of apple fruits from mechanically thinned plants vs fruits not interrupted by thinning in their growth (my grandma has an apple orchard). Even though my teacher accepted the topic I have an impression she is not very familiar with this process and I am not sure whether it is not too simple. Thinning of the plants is a common way in gardening of improving plants' quality and increasing their development efficiency. Therefore, isn't it too obvious? I could explore the extent to which it does influence the quality of a fruit.. But I'm still not sure. I'd be very thankful for your opinions!
  13. So I'm doing my bio ia on the effect of different concentrations of sulfuric acid on seed germination. It's been nearly 3 weeks and I only have data for the control test (spraying with distilled water), and very few seeds germinated for any of the other concentrations (0.2M, 0.5M, 1M, 2M, 5M). These few seeds that have germinated won't really have any effect when I do the means for the 5 trials of each. Is it ok if I have very little variation in my data? It would be like an average of 14 out of 20 seeds for the control test and then less than 1 for every other increment. Does this reflect badly on me in any of the criteria? Or should I try and 'manipulate' my results? I realistically don't have much longer to do the experiment as I'm running out of supplies and school is closed for the break, and my teacher wants the other half of this ia done as soon as possible. Is it worth faking my results or should I just be honest?
  14. Hey! I'm starting my IB1 year soon and I'm wondering which subjecs I should take. I absolutely suck at maths like no other and I don't particularly like sciences. With keeping this in mind, is SL bio impossible? I need to take at least one and I feel bio would be easiest for me because I have a relatively good memory and it's the least "sciencey" subject. Am I making the right choice? How hard is it?
  15. HELP! I've just started Junior year, so IB has just kicked off and we have 2 weeks to change our courses if we wish. I have always been sure that I want to do 2 Sciences, first I picked Bio and Chem (both HL), then I changed my mind so I decided to do Bio and Phy (HL) because I've always loved physics. But now I am starting to change my mind again, because I've read that Bio and Phy aren't the best combination and I feel like with those classes my college majors all of a sudden gets way more limited. Help! Should I stay in Physics or change back to Chem??
  16. hey guys! I'm going into the IB program this year, and I have 4 HLs and 2 SLs. 2 of my 4 HLs are Bio and Physics. I recognize that this is going to a particularly rigorous course selection, so does anyone have any advice? Just so you know, my other courses are HL Psych, HL English, SL Math Year 2 (took year 1 in grade 10), and SL French.
  17. Hey guys! So Year 1 is right around the corner and I'm pretty excited but have recently ran into a problem. I've chosen physics SL for my Group 4 subject, but have recently considered switching to Biology SL since I've heard that it's less difficult. Is this true? Personally, I am quite decent at math and pretty good at memorising things. I have some background in biology (only the basics) and very little in physics. None of these are required for the University program I wish to attend (Econ/Business). I also dislike the sciences in general so I'd rather just choose the easier subject lollll. But I guess physics would be SOMEWHAT helpful since it's related to math, but then again, I've heard that it's quite difficult. Which of the two would you say is easier and which one would you recommend if I'm just trying to get the highest grade possible in my Group 4 subject? Thanks!
  18. Giulia

    Biology IA

    Hello, I'm in the process of choosing my IA question, I do biology standard level and was wondering if this topic fits in the syllabus for sl: What is the effect of soil moisture on the length of ribwort plantain leaves? Thank you
  19. Hi! I'm new to this site. Well, anyways... I'm doing the IB Diploma program at my American high school and have just finished my 2 years of 'pre-IB.' So next year I'll be starting official IB and I am so scared! My grades weren't that good these past 2 years and I really need to get nearly perfect grades these next 2 years to get my GPA up, and I believe with hard work it will be possible! I'm really interested in international relations and law and humanities type of subjects. These are the HLs and SLs I'm signed up for thus far: HL Economics, HL English, HL History SL Math, SL Spanish, SL ESS OR BIO?! I really can't decide between these 2 and I need to before school starts! I'm really interested in science but I'm not the best at it (not the worst either!). I'm currently signed up for ESS but I feel like it's looked down upon and not as respected. I'm really into Biology and have been considering a career in it but I'm afraid I won't get good grades and it will be much harder than ESS. Don't get me wrong, I'm fascinated by the environment as well and a huge advocate for the issue of global warming. All in all, I'm just really confused! Please help!!!
  20. Hi, so I'm choosing my HLs in a couple of weeks and I'm stuck between whether I should do French B HL or English A Lit HL ?? So far I'm doing very well in French B SL, and pretty good in English HL. If I did french B HL I would really want a 7, and English HL I would be aiming for a 7 too, but a 6 would still be great! If you have any advice from personal experience on what's easier/more doable it would be so appreciated! The other two subjects I'm probably going to end up doing HL are economics and bio, but if for some reason any of those two are a mistake please also let me know!
  21. I decided to do database for my bio IA, but I'm having quite a bit of trouble trying to find the data I want. I'm trying to find the incidence of Down Syndrome by country, as either a percentage or number of cases. All I found was data from 2004 that was actually extrapolated, so no help at all I'd really rather not search up each individual country, so I would appreciate it so much if people had some suggestions
  22. Hello, I am finding it difficult to decide which science subjects to choose and would appreciate some help and guidance. First of all, I am not entirely sure what I want to study in the future (perhaps economics, although the sciences really interest me too). That being said, I am sure about studying in the US. I have done a summer course in IB biology (also math which I am fairly well at), also had a brief look at the content that appears in IB physics. I have no prior background in chemistry however. These are my subjects in general: Economics HL English HL Science HL Math SL Ab initio SL Science SL I want to pick 2 science subjects, one at HL respectively SL. 1. How is physics HL? Is it the ‘broadest’ science in terms of future studies? Does it differ largely from SL - is SL in that case quite a bit easier? Easiest / hardest topic? 2. How is chemistry SL? I am not to keen on HL, and have heard that SL is easy. Easiest / hardest topic? How do you study for it? Is it quite mathematical? 3. Lastly, is biology HL much more difficult compared to SL? Is bio SL pretty much the same level as chem SL? In case I take bio and physics - is that a weird combination, from universities perspective? Since the subjects don’t overlap that much at all..btw, which subjects do overlap the most and would this ease study? Here are the combinations I am considering: Physics HL + Biology SL or vice versa Biology HL + Chemistry SL Thanks in advance! Also, please do share any additional insight/your experience with the subjects besides from my questions.
  23. Hey, I need a Biology IA experiment for tomorrow. It needs to be something with mesocosms and I don't know what it could be because we haven't studied mesococms yet.
  24. Hi. I'm having some serious doubts about my course selection for the IB. I'm currently in Grade 10 and in my last year of MYP and will be starting the IB program this fall. I've chosen: English Lit HL Biology HL Chemistry HL Psychology HL German ab Initio SL Math SL This course combination suggests that I am leaning towards the medicine track. Although, the thing is, I'm not sure if I want to be a doctor. My parents really want me to go down this path because of the stability it provides (financial) They are also in the medical field so they know the field and they know this path very well. I've talked with them a couple times about my doubts and it usually ends in a fight. In their mind, I can only become 1 of 3 things: a doctor, a lawyer, or an engineer. *Engineering is pretty much out of the question because I suck at mathematics and I've taken two 'engineering style' courses (Intro to Computer Science and Design Technology) and I had to drop DT because I was failing the class. I am not doing too well in Computer Science either. *I'm not sure about being a lawyer too. I think I have the right skills for this career. And no, not the cliche 'I like to argue' one. I have a real passion and natural aptitude for the humanities. I have always gotten good grades in subjects such as English and History and I enjoy learning about these subjects. Unfortunately, careers in the humanities (except for being a lawyer - and even some lawyers share their experiences about how they are struggling to find work) don't pay well and I am afraid of taking a risk and changing all my IB courses to fit this pathway and I am unemployed, full of regret, and hate my life. *I'm also afraid that if I stick with my courses, I won't do well in them and I'll ruin my university chances and can kiss all my dream schools goodbye. Honestly, what top university would accept a student who had 5's for their HL sciences? Or less than that? Right now, I'm not doing badly in science. My grades range from an 88-92 but I have to try really hard to get this grade or even higher than this. In chemistry, my grades weren't bad I actually enjoyed it. Biology is okay up until you move past cell structure and you start learning about plants and anatomy and I find that really boring because of all the details & memorization. So, I would really appreciate some input on what course of action I should take. Should I listen to my parents, keep my course combo, and become a doctor despite the fact that I'm not sure if I want to be one? Or should I change my course combination?
  25. Hey guys, registration is coming up and I've sunk into a dilemma. I'm currently a sophomore in the local gifted program, and am taking IB Bio SL, IB Precalc SL, IB Physics SL 1, IB Spanish 4, IB/AP Lang, and IB/APUSH. I'm definitely going to HL in Bio, English, and History, but don't know what to do about splitting my SL's. I have been struggling in Physics, and although I scraped an A first semester and MIGHT make it this semester, I don't think I'll do very well in SL 2 (HL is far, far beyond me). I am also having some trouble filling in my continuous art credit (that many colleges like seeing) and my CTE credit will be taken care of with my internship in senior year. I am seriously considering dropping IB Physics SL 2 and replacing it with IB Art SL. I am debating, however, over the merit these two classes bring to colleges and how important they are in the long run. I'm pretty certain that I have a higher chance at getting an A in art (which I like) than in physics (which i am famous for struggling in), but Physics could be more "important" to my future. What should I do? I'm a STEM kind of person and am not looking to go into the humanities, doing my EE in Biology and everything. My complete course schedule for next year, as reference: (omitting PE and TOK) IB Bio HL, IB Calculus HL 1, IB Physics SL2 OR IB Art SL, IB Spanish 5 (SL test), IB/AP Lit, IB/AP USGOV. Note: I will be taking AP Physics 1, AP Lang, and APUSH at the end of this year. Thank you all! -Lia
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