Free to read · no sign-up
Our tutors' real IB coursework. Every page, free.
The TOK essay from our reel, plus four IAs, an Extended Essay and a TOK exhibition. Six of the seven scored the top grade or band.
What each piece scored
- 23/247CHEMISTRY HL · IA
- 28/34ACHEMISTRY · EXTENDED ESSAY
- 39/457ECONOMICS HL · IA
- 18/207MATHS AI SL · IA
- 9/10ATOK · ESSAY
- 9/10ATOK · EXHIBITION
- 20/246, ONE MARK OFFBIOLOGY HL · IA
The essay from our TOK reel
TOK essay
9/10AIn the IB's marking, three things set a 9 or 10 out of 10 apart from a 7 or 8. Here is where this essay does each one, in its own words.
-
Say what each example means for the title.
The implication is that in physics, observation error functions as the basis of new research; each acknowledged flaw becomes an invitation to the next observer …
After Galileo and Huygens, page 3
-
Name it, date it, source it.
This flaw Christiaan Huygens corrected in 1655 using a far stronger telescope (Cajori, 1929).
The PSS, developed by Sheldon Cohen in 1983 …
Pages 2 and 5
-
Argue against yourself, then decide which side wins.
However, not all observational flaws in physics are contingent errors that better instruments or more rigorous methodology can resolve.
Yet even this ‘flaw’ proved to be vital to the production of new knowledge, for instance, in the development of the Heisenberg Uncertainty Principle, formulated in 1927.
The double-slit experiment, page 3
7 pages, 1,593 words. Names and candidate codes taken out.
Six more pieces, every page open
Five of them in the top grade or band. Each one opens as a PDF.
Your TOK essay, read before you hand it in
TOK essay feedback
$35
Essay or exhibition commentary. 48 hours.
- A criterion table. Where your draft sits, and what the band above wants.
- Margin comments on a copy. Never edits in your text.
- A priority list. The three things that would move you most.
- Follow-up questions answered by whoever wrote the report.
Or talk it through
Free
Thirty minutes one to one with a tutor. Pick Theory of Knowledge when you book.
Book a free 30-minute one-to-oneThese are our tutors' own pieces. Read them to see how a top piece is built, then write your own: copying from them into your work counts as plagiarism. Our integrity policy →
This page has been developed independently from and is not endorsed by the International Baccalaureate Organization.