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Carmen TOK essay (1st draft) \\ Sensory Perception // There are three types of basic methods of reason. Sense perception is one of them, and the other two are concept-formation and logic. The role of all of these methods is to permit our brains to receive and process information by examination and study externals of things, subjects, events or anything. This is called "Extrospection". The senses receive natural inputs such as light, sound waves, pressure and heat, which are interpreted by the individual with the use of concepts and logic applied to them. In the following, I'll use natural science as my examples of sensory perception. In science we did lots of experiments. ...read more.


If you are a physicist, you should know why this happening is. It is because of the different refraction indices of water and air. Now we see it bent, but we know it is not broken. But how do we know that it is not broken? We just know it because we know that by submerging something cannot be broken that easily. Now another question, how do we know that? The answer is because it is hard and why is it hard? Because it's solid. In addition, there is also an another way of knowing that the stick is not broken is by using our sense of touch to find out that it is indeed not broken. ...read more.


send back signals to our body to let us feel the pain which is telling us that it is harmful to us. Another example, how do we know H2O is water?? Hmm.... Have you ever think about this question? My belief is that every subject is built upon a set of axioms, otherwise nothing would be true. Scientists create definitions for these 'substances', and then create theories that make sense in order to facilitate our need to understand, and so they said everything is made from molecules. They defined a molecule, and then they said there were elements. They said Water is comprised of two parts hydrogen, one part oxygen, and is a molecule and from then on, it's taught in school like that and that is how we 'know'. ...read more.

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