A Study On The Teaching Strategy Of Chemistry Connection Between Junior And Senior High Schools

The problem of connecting chemistry teaching in junior high school and senior high school has a long history.Some freshmen with good foundation in senior high school can’t adapt themselves to high school learning quickly,so it is generally difficult to learn and teach chemistry.There are great differences between junior and senior high school chemistry subjects in learning content,curriculum standards and teaching objectives,which reflect the necessity of connecting courses in many knowledge blocks.Due to the weak cohesion consciousness of some teachers,a large number of teachers even think that junior high school chemistry does not need cohesion,but only needs to reach the enrollment rate.Chemistry teachers in junior high school often have the phenomenon that even the top students are confused in the teaching of chemistry linking knowledge in junior high school.The key to the teaching of this knowledge is to grasp the "degree".This requires junior high school chemistry teachers also need to deal with junior high school chemistry bridging teaching.Connection is not a one-way,but a two-way connection process.This is not only conducive to the success of the high school entrance examination,but also for the successful construction of high school chemistry bridge.Through the study of the penetration of knowledge points in Jiangxi high school entrance examination in recent years,this paper aims to improve the cohesion awareness of junior high school chemistry teachers and summarize the chemistry teaching strategies for the connection between junior high school and junior high school.By comparing the chemistry textbook of compulsory education(2012 edition)with the chemistry textbook of compulsory high school(2019 edition),summed up the knowledge points of chemistry convergence between junior high school and senior high school,Based on the concept of change and balance thought of this core quality,and selected the representative "redox reaction" as the research content,Students from a middle school in Jiangxi Province,where the author works,who participated in the entrance examination in 2019,were selected as the research objects for the connecting teaching practice of junior high school and senior high school.After the study of senior high school chemistry in the first half semester,face-to-face interviews and questionnaires were conducted on the research objects.According to the above research results,the implementation of bridging teaching on redox reaction in the review stage of junior high school can promote the understanding of "redox reaction" knowledge of freshmen in senior high school,greatly improve their interest in learning chemistry and chemistry scores,and there is no significant difference in the improvement of scores before and after bridging class for students with different chemistry bases.