1. TOK and Extended Essays

2. TOK And Chemistry
We are all TOK Teachers.

4. It encourages students to become aware of themselves as thinkers,
TOK: Nature of Subject  
It encourages students to become aware of themselves as thinkers,

5. build on the student´s own experience.
The TOK course should  
build on the student´s own experience.

6. Chemistry
Perception
Reason
Knower
Emotion
Reason

7. The Delocalised knower ?

8. Stoichiometry

9. How natural is natural science?
The beaker of water

10. Chemical symbols as a universal language.

13. Language as a tool for thought
Chemical Equations
Language as a tool for thought

14. The Atom .

15. 20 Questions With Random Answers Finding Out: “ What Is In the Box.?”
Models And Truth
20 Questions With Random Answers
Finding Out: “ What Is In the Box.?”

16. Limitations of Language and Perception
"What we observe is not nature itself
but nature exposed to our mode of
questioning."

17. Daltons Model As “Searchlight”.
." Ask an impertinent question: and you are on the way to the pertinent answer."

18. our chemistry will seem childish five hundred years from now.

19. Every theory is based in some analogy, and sooner or later the theory fails because the analogy turns out to be false

20. a theory in its day helps to solve the problems of the day. "

21. Perception :Heating The Empty test-tube. What do you observe?
Electron Arrangement 
Perception :Heating The Empty test-tube. What do you observe?

22. Experimental work and The Scientific Method

23. Sugar to Coca-Cola. And the evil demon
Planning
Sugar to Coca-Cola. And the evil demon

24. Data Collection  

25. Perception – Selection
Blue Bottles and white solids

26. How can you measure the temperature of a beaker of water?
Measurement  
How can you measure the temperature of a beaker of water?

27. Conclusion And Evaluation
Are Chemists turkeys?

28. May 2005
1, For some people science is the supreme form of all knowledge. Is this view reasonable or does it involve a misunderstanding of science or of knowledge?

29. 7. To what extent may the subjective nature of perception be regarded as an advantage for artists but an obstacle to be overcome for scientists?

30. TOK Prescribed Essays On Science
1. Is it a simple matter to distinguish a scientific argument from a pseudo scientific argument ? (May 2003)

31. 2. “God may have separated the heavens from the earth
2. “God may have separated the heavens from the earth. He did not separate astronomy from marine biology”(Jonathon Levy). To what extent are the classifications separating Areas of Knowledge justified? (May 2003)

32. 3. In science one tries to tell people , in such a way to be understood by everyone, something that no one ever knew before. But in poetry, it’s the exact opposite ( Paul Dirac). Do both approaches suggested in the quotation enjoy equal success in explaining human knowledge? (May 2003)

33. 4. Art Upsets science reassures
4. Art Upsets science reassures. Analyse and evaluate this claim (May 02)

34. 5. “The whole of science is nothing more than a refinement of everyday thinking” Could this be said of all areas of knowledge? (May 2002)

35. 6. In what ways has technology expanded or limited the acquisition of knowledge? (May 2002)

36. 7. Do we have to learn to think scientifically in order to find the truth? (May 2001)