| The new curriculum standard in 2017 requires teachers to pay attention to the informationbased teaching reform,implement the "student-centered" education concept,and emphasize the cultivation of students’ thinking mode of independent learning.With the development of information age,online teaching,flipped classroom and other teaching models gradually appear.The combination of online teaching and offline teaching makes up for the lack of innovation in the past teaching forms,while flipped classroom breaks the time boundary between classes.However,the application of flipped classroom and online-offline hybrid teaching mode in high school chemistry teaching is relatively few,and the practical research on their combination is even less.Therefore,based on the combination of online,online and offline teaching,this paper combines flipped classroom to reconstruct the teaching model,and explores its effectiveness through practice.This teaching model divides a complete class into three teaching stages: online teaching before class,offline teaching during class,and online teaching after class.Before class online teaching stage adopts flipped classroom teaching method.This paper mainly includes the following contents: First,through a lot of reading literature,to elaborate the relevant research situation at home and abroad,to clarify the research purpose.Based on the learning pyramid,constructivism learning and other theories,the concepts of blended teaching,online teaching and flipped classroom are clearly defined.Two classes with the same learning level in senior one were selected for comparative teaching.Secondly,a questionnaire was designed about the application of flipped classroom in the hybrid teaching of chemistry online and offline in senior high school,and the results were analyzed.On this basis,combined with relevant teaching principles and teaching strategies,the flipped classroom in high school chemistry online and offline mixed teaching mode is constructed,and the chemistry "ethanol" and "ethylene" in senior one are selected as practical teaching cases.This paper expounds the practical effect of flipped classroom in high school chemistry online and offline mixed teaching.In the conclusion part,the author makes a complete analysis of the research results,puts forward some suggestions on the development of this teaching model,and points out the deficiencies in the process of practical research and the prospect of research.The research of this paper has a certain impact on the practical application of flipped classroom in the online and offline hybrid teaching of chemistry in high school,and also puts forward some suggestions with reference for front-line teachers on the application of flipped classroom in the online and offline hybrid teaching of chemistry in high school. |