"Amount Of Substance" To Learn The Concept Of Ecosystem Analysis

In the context of the new curriculum reform, Due to changes in teaching philosophy, High school chemistry teaching methods have to change.An important part of the chemistry teaching in the teaching of chemistry concepts, How to make students better grasp of chemical concepts, What is the chemical concept teaching model in line with the law of development of students’ cognitive.To this end,In this paper, the factors affecting changes in the chemistry concepts, Trying to find more effective teaching strategies of chemical concepts.This article in accordance with the concept of ecosystem theory in the conceptual change model proposed by Professor Posner, L high school,17classes,the amount of substance of teaching classroom observation, Set classroom observation tool,And classroom observation results of analysis,A group of all chemistry teacher interviews, To analyze further the concept of ecosystem affect students’ conceptual learning.In this paper the concept of teaching high school chemistry recommended: Analysis of the concept of ontology,Further improve the concept of teaching strategies; Fully stimulate the students’"intrinsic concept of ecological", Enhance the validity of the concept of teaching; Concerned about "the environment the concept of ecological,Optimize the concept of teaching strategies.