Ib Physics Extended Essay Examples

Some sections of this website are strictly teacher only however this part is for students. I have tried to use both my experience writing an essay and as a supervisor to give some advice to students thinking of writing a physics EE.

Choices

For the student the early days of the EE are full of choices, firstly which subject to choose, secondly which topic and thirdly what research question. There are many reasons that students choose to write their EE in physics:

  1. Physics is their best/favourite subject.
  2. They want to study physics at university.
  3. They want me to write a teacher recommendation.
  4. They find physics difficult and think this might improve their chances.

These are all valid reasons, in fact I often say to students that if they want me to write a teacher recommendation for them then they might consider doing an EE in physics, it means that I can really add some meat to the reference. It makes a big difference when you can write about the independent research that the student is involved with and all the challenges they have faced, universities are often more impressed than the IB examiners.
 

Students don't have to be good at physics to write a good essay as long as they stick to what they know, its probably easier to score well for a student who is a good essay writer and poor at physics than someone who is good at physics but can't write an essay. From the beginning it must be stressed that this is an essay not a university research paper so doesn't have to be cutting edge, as you will find out most of the marks of for how the essay is structured not the physics. This is a problem for some of our student who maybe like physics because they don't like writing essays, if that is the case then I am afraid that they will not get a good grade writing an essay in any subject so they might as well do it in physics and add their weight to the dreadful statistics.

Statistics

If you are new to the IB then you might not know this yet but to get an A with a physics extended essay is almost impossible, the statistics are certainly not encouraging.

Since this is about writing an extended essay I should quote the source of these numbers

http://occ.ibo.org/ibis/documents/dp/d_x_dpyyy_stb_0905_1_e.pdf
http://occ.ibo.org/ibis/documents/dp/d_x_dpyyy_stb_0811_1_e.pdf
http://occ.ibo.org/ibis/documents/dp/d_x_dpyyy_stb_0805_1_e.pdf


These are the IB Diploma Statistical Bulletins for the relevant years, they contain a lot of other interesting statistics if you are interested in that sort of thing.

What these figures show is that less students get grade A's in group 4 subjects than the others. It does not say that it is more difficult to get an A in a group 4 subject but that's how a lot of people interpret it.

Type of Essay

There are 5 types of essay

  • Experimental: design and implementation of an experiment, then personal collection and analysis of the data.
  • Data-based: location and extraction of raw or processed data, not collected directly by the student, which is then further refined and analysed.
  • Theoretical: development of a quantitative or semi-quantitative description of some physical phenomenon, exercise of the model, predictions about its behaviour and limitations.
  • Survey: formulation of a cohesive, ordered, analytical and supported (qualitative and quantitative) discussion of the topic.
  • Combination: some combination of the approaches listed above.

Whichever one of these is chosen it is important that the student has the possibility to put some of their own ideas into the essay, these don't have to be correct but if not they must have enough understanding to realise why they are not. It's far easier to have personal input when doing an experimental type essay so these are the type that i promote with my students and what this website will focus on.

The International Baccalaureate® (IB) online curriculum centre (OCC), a key resource for educators at IB World Schools, includes several examples of extended essay titles.

These highlight the diverse range of topics covered by International Baccalaureate® (IB) Diploma Programme (DP) students during their extended essays.

Some examples are:

  • “An analysis of costume as a source for understanding the inner life of the character”
  • “A study of malnourished children in Indonesia and the extent of their recovery after a period of supervised improved nutrition.”
  • “Doing versus being: language and reality in the Mimamsa school of Indian philosophy.” 
  • “The effects of sugar-free chewing gum on the pH of saliva in the mouth after a meal.”
  • “To what extent has the fall in the exchange rate of the US dollar affected the tourist industry in Carmel, California?”
  •  “What level of data compression in music files is acceptable to the human ear?”

Also available in the OCC, the Handbook of Procedures for the Diploma Programme has guidance on choosing a subject for the extended essay.

The OCC is only available to existing IB World Schools.

You can also purchase examples of essays in the IB Store. These essays fulfil the requirements for an ‘A’ grade in the extended essay.

If your school is not one already, learn how to become an IB World School in order to implement the DP.

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