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Found 598 results

  1. 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.
  2. I teach IB physics SL and make animated lecture videos that my physics department uses for every class instead of live lectures. I've organized them by IB topic on my website here, and I host all the videos on my Youtube account here. I've received great feedback from students and teachers and I'm trying to make the videos more available, which is why I'm posting them here. I think they can be helpful and honestly it's been fun to watch the views and subscribers go up over time. My most popular video covers projectile motion with air resistance and I was really happy with my recent videos on acceleration and on series and parallel circuits. My website is broken down into each IB topic (not all complete yet): All Lecture Videos Topic 1: Measurements & Uncertainties Topic 2: Mechanics Topic 3: Thermal Physics Topic 4: Waves Topic 5: Electricity & Magnetism Topic 6: Circular Motion & Gravitation Topic 7: Atomic, Nuclear, and Particle Physics Topic 8: Energy Production Option Astrophysics In addition I have a section of the site with my typed notes summarizing the important concepts in each unit (still working on these) and a video showing how I create all the animations I use in Apple Keynote.
  3. Hello IB Students, I have been working on a new IB Physics website (www.paperplainz.com) for the past months and it is now open. The website has over 800 past exam question video solutions (all Paper 1 and Paper 2 SL and HL questions from May 2016 until November 2018), practice exams and a growing questionbank (for now Paper 1 only, Paper 2 questions are coming soon!). Many of these resources are free of charge. Click here to check out the website: www.paperplainz.com If you would like to watch some of the videos on Youtube, just follow the link below: https://www.youtube.com/channel/UCGZ55FHT1TEHVh1grhOBReA/playlists Please let me know if you have any questions, I will be happy to answer them. Have a nice day, Peter Kovacs
  4. Hello Ive just started the IBDP program, and I am currently taking physics SL for my experimental science subject. Although I did okay with topic one (was sometimes confused in class though was able to understand with revision) . I am not good at maths, and am aspiring to study psychology in the future. SHOULD I change to chemistry SL instead of physics SL, considering how apparently chemistry has somewhat easier maths than physics? What are the differences among these subjects? If I’m bad at math, should I not take physics SL?
  5. " There are people who don't believe in the existence of dark matter, but there are numerous theories that could prove dark matter’s existence, such as gravitational lensing, dark matter halos, and cosmic microwave background. " I was wondering if this is a good extended essay thesis because my teacher said that this thesis is not arguable. I was wondering if she is right and if she is, how can I fix it. Many thanks in advance!
  6. Hello, My name is Taha, I'm 17 years old, and currently in 12th grade. I'm looking for someone to help me with my Extended Essay. I've decided to focus my essay on quantum locking: including superconductors (YBCO), the Meissner Effect. I have access to the materials needed to experiment with this topic (materials from quantumlevitation.com). Some ideas I had in mind was to discuss the Meissner Effect in superconductors when cooled down to a critical temperature with liquid nitrogen. I was inspired to this topic when watching a talk on TED.com about quantum locking and quantum levitation (video here: https://www.youtube.com/watch?v=PXHczjOg06w) This aim of this project is to study the properties of quantum levitation and locking and provide ways to improve the efficiency and speed of current transportation systems (high-speed trains, levitating cars, and hoverboards), and the idea of creating bearings with negligible friction. I will need help in formulating a research question that would be appropriate to the Extended Essay guidelines and know what is the best structure for my essay. Let me know if you can help me. Thanks,
  7. Hello, all who have clicked on this post I would like to simply ask you one question about my ee, specifically whether you guys think its tooo simple or not. So, for my extended essay, I've chosen to do physics (o god), and the sub-topic of astrophysics (double o god), I have come up with an idea for my ee, which is Investigating how the Luminosity, Mass and Surface Temperature of Main Sequence stars are interconnected. Is this too simple for an ee, or do you guys believe it has the potential to be a good if not decent ee? Oh, and the essay will be a database EE, (creating an experiment, and fitting data to come with some conclusion) (I won't go over the specifics such as research question and experiment that I will do since I fear plagiarism.) As a side note I do want to study astrophysics in university, I know that writing an astrophysics ee in ib is suicidal, but I wanna do it because i believe its a good challenge. So taking all that into consideration, what do you all think? Thank you, - a stranger of the internet
  8. Hello, thanks in advance for your answer. My friend has a very high probability of repeating one year. Under what conditions does a person stay in the second year in ib (11 grade) ? If in the first term (grade 11) the student receives 1,2,2,7,5,6. And in the third term (grade 11 ) he has 7,6,7,3,2,4 + A (TOK) will my friend have repeat a grade ? (Retention one year ) (CAS has done ) My friend is very nervous about this, but I don't know anything about falling conditions in ib. Thank you 😊
  9. Hello, forums. I've just joined here hoping for assistance in picking a more refined EE question. I am in year II of the diploma programme, and am pressed for time regarding my EE. My original Extended Essay was on aerodynamics, but due to several problems it didn't work out. As a result, I've had to make a decision to change my EE topic, and physics is what I'm sticking with. Currently, my chosen topic is optics - lenses, and while I'd prefer to do it on aperture, diffraction, or distortion, I'm open to doing other things in optics as well. By this point things have gotten to a head and I have to decide really quickly both a question and my experiment. I'm open to anyone willing to help. I have a basic idea to relate it to photography through camera lenses and the depth of fieild created for different lenses and aperture, or through distortion (aberration) and cook up some similarities with how our eye works. I am aware that our eye has a very small depth of field, so I might be able to figure out the depth of field for 50mm lenses with a pupil-sized aperture. However, forming a question and focusing it is a tough one. I do want topics that are relevant to photagraphy, but most anything in light will do. Any suggestions or tips? Thanks in advance.
  10. Hi~ I am writing my physics IA, and have come across a problem: I have data for six trials, and when I am calculating the uncertainty of its average values, which of the two methods should I use?: 1. (max-min)/2 method 2. standard deviation Should I use the first method or the second method for my average uncertainty for six trials? Which one is the method that is generally approved by IB and is capable of getting a level 7 in the internal assessment? Thank you!!
  11. Title. Science doesn't exactly relate to my intended major (economics) so I'm really just choosing whichever is the easiest one at SL. Also, I'm not considering chemistry to be an option cause I'm learning it right now and absolutely hate it.
  12. Guest

    MATHS IA HELP - TIDAL WAVES?

    I have currently chosen to investigate tidal waves for my maths IA. However, I am unsure as to what other explorations I can do under this. (And whether or not this is too simple...) Is modelling and predicting future tidal waves appropriate? I have secondary sources that'll give me data of tides at different points in times at a beach, so I will be able to graph them. I will also use trig and algebra to find the ideal time to visit the beach with my "ideal" tidal height of 1.5 metres I am uncertain as to what other maths/exploration I can apply to this Any suggestions would be greatly appreciated!
  13. Not doing really great with the paper 2, is it still possible to pass if you pass the paper 1 and paper 3?
  14. Hello everyone, I am currently doing 4 HL's but I need to drop one as soon as possible. Right now I am taking Math, Physics, Chem and Econ HL. I want to be an astrophysicist. I know that I need to keep Physics HL, I do not know about Math because even though I am strong at math, the teachers say that it will be very challenging for me and I will not be able to get the score I want, but if I drop to Math SL she said that the course would be kinda too easy for me not letting me develop my skills. I have to choose between Chem and Econ which one to drop. If I were to have Physics, math, and chem HL the teachers say I would pick the "death combo", and I can see why. But they complement the best If I were to pick Physics, econ, and chem HL, would I need more maths but should I be okay with just Math SL for astrophysics? or should it be better if I keep Math HL? The other option would be to have Physics, math, and econ HL, in which math would be the most challenging one for me. I have tried the 4 for a semester, and I am allowed to keep it like that for another semester before yr12 starts, but me and my math teacher would like if I decide as soon as possible, if possible before the second semester of my first year starts. Thank you all for your help! All thoughts are welcomed!
  15. What is Nature of Science? It seems like the IB is beginning to ask more and more questions on it in the exams. Is there anything that I need to know or understand for it? I know that you can just use some common sense and logic to answer these types of questions, but is there any way to prepare?
  16. Guys, I am planning to do my EE in Radioactivity and Nuclear physics. Are there any experiments that could be done relating to this? And could you suggest where I could find some secondary data of experiments done by authentic labs or organizations as nuclear experiments are not very possible to conduct as a year 1 student. Any other recommendations or tips are also appreciated Thanks! Cheers! All the Best!
  17. HELP! I am doing my extended essay in physics and I am worried because I just got to know that I need two independent variables for my extended essay. Is that right? Or am I fine with only one independent variable? HELP PLEASE ASAP!
  18. Hello, I am an 11th grader taking IB HL Physics 1. I plan on taking AP and IB tests. I need to sign up for AP tests very soon, and I want to have the AP tests done before applying to college next year. If I take IB HL 1 physics, will that prepare me for the AP Physics C mech exam? or just the AP Alg 2 exam? or should I be doing at least a little bit of independent study?
  19. Whatsup people, I have been thinking about my extended essay question and after a few hours of research this is what I have To what extent does the use and manufacturing of electrical cars benefit the environment in the European Union? I think its too broad and another conflict I have experienced is that I don't do any of the 2 topics this question focuses on. (Geo and physics). I do feel like there is plenty on the internet I can use. If you have a way to turn this into an economics question,(which I do study) or any suggestions please let me know. It would be highly appreciated. I have to submit my EE subject and supervisor choices tomorrow so any answers are welcome. Thanks.
  20. Version 1.0.0

    2 downloads

    When a filament bulb is first switched on, its metal filament is cold and so has a relatively low resistance. This leads to a large surge current until the filament heats sufficiently to glow white hot with a steady electrical current. This essay investigates the research question: “How does the final current affect the surge current time in a filament bulb?” The surge current time is the time interval between switching the bulb on and when the final steady current is first reached.
  21. Hi, I need help with my Physics IA topic. I was deciding on conducting my investigation on Hooke's law and springs. I was thinking of investigating the effect of the length of the spring on the spring constant. Another idea I had was investigating that if a spring with a spring constant of k was cut into four equal springs, would the spring constant of each spring be 4k. I was told by my Physics teacher that this would make a good IA if I was able to explain it correctly, however, I am still unsure. Would this be a good physics IA topic, is there anyway I could expand on the experiment, or should I look for a better investigation? Anything would help Thank You in Advance!!!
  22. I don't know if I can do research based on just the mathematical analysis and interpretations of a physics concept for my EE, rather than conducting any sort of experiment or data processing. My teacher says the IB won't expect a theoretical/pure mathematical paper. Is that true?
  23. I need to change my RQ a little bit probably... I know it is not good to make an EE of science without doing experiments yourself, but I won't change my mind. My RQ is Why are the physicochemical effects of celestial bodies important to generation of life? I will narrow the life, but I don't know if I should focus on a certain physical or chemical effect, since the information might not be enough. Celestial bodies I think maybe using one astro, or using more and comparing them.(I think Jovial and/or Saturnine systems). Would appreciate some help...
  24. I was planning to do relationship between sucrose level and refraction of a solution but the data I found was a lab report so does it mean its already analyzed? Any recommendations and resources are welcome
  25. helenas

    IBHL Physics IA

    I know there are tons of posts on here like this but can anyone help me like expand my IA idea? I'm in HL physics and maannnn am I bad at it but I'm pretty good at music (violin) so I had planned to do some kind of exploration on standing waves on string/ in tubes using my violin and my large set of boomwhackers, but I'm not sure what exactly I could explore to get 10 reasonable pages out of that. I was going to explore like how the distance between adjacent notes on the fingerboard gets smaller the higher you go up the fingerboard, but that's probably not 10 pages worth of info, so can you think of like any ways I could talk about standing waves, something about waves on violin strings, waves through open-ended or open-closed tubes (the boomwhackers) that could all somehow fit under one research question and also contain enough info to write about 10 pages (including graphs and tables and diagrams and such) about?
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