| The concern about the teaching situation is a key topic of the course reform at present. It is the subject that teachers are trying to be explored in teaching practice constantly. The teaching in high schools should focus on the real developing process and their true feelings, create a learner-centered study environment supported by true and complicated social situations, provide authentic activities. That will inevitably lead to the formation of teaching and educating people's double purpose.In the article, I study the situational teaching theory based on the constructivism theory and the situated cognition and learning theory, analyze the characteristics of situated teaching under the idea of new curriculum. I also analyze the new teaching materials in order to find the materials and the tactics of teaching situation.The dissertation is divided into five parts.The first part depicts the meaning of situated teaching, and the status of it in China. Carries out investigation as to implemented status of the situated teaching of the high school teachers. Proposed the goal and the content of the research.The second part explains the relevant theoretical supports such as constructivism study theories, situated cognition and study.The third part analyses the basic idea of new curriculum, then induce the characteristics on chemistry curriculum under the new curriculum idea and the necessity of situated teaching implementation. Proposed four requests of situated teaching come from the new curriculum standard.The fourth part through analyzing the new teaching material, I study collection, arrangement and sorting out of the situational material while founding of chemical teaching situation. And on this basis, I contact the teaching case to further study the tactics of founding of the chemical teaching situation.The last part through reviewing, I have put forward the problem that the chemical teaching situation needs to go on studying.
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