Pupils/students create their own hypotheses and verify them using their own critical considerations (e.g. which polymer can be used for the given application, why the polymer is used for the given product), experimental exploration of substances (polymer analysis, study of their properties, preparation of some polymers), critical discussion with classmates (price, design of product, appropriateness of the polymer for the given purpose), identification and differentiation of alternatives and evaluation of their advantages and disadvantages.
A basis of the unit is the research conducted by the teacher, supported by discussion; this all is based on the exploration of substances and items around us and on the related questions, (properties and resulting applications of some polymers for the given purpose).