| Compulsory education is the top priority of national education.In order to improve the quality of compulsory education as a whole,the New Curriculum Standard officially promulgated in April 2022 clearly defines the concept of "facing all students and cultivating core qualities for all students",which embodies the educational ideal of "providing opportunities for every student’s learning and development" in the physics curriculum of compulsory education.Different living environment and social environment,different daily living habits,living abilities,learning and understanding abilities,physics learning hobbies,physics learning thinking modes and experimental operation abilities of students will lead to alienation and diversification of learning motivation in physics experiment learning,that is,personalized differences generally exist in junior high school students.At the same time,physics experiment teaching is a vital part of junior high school physics teaching.The physics concept,scientific thinking,scientific inquiry,scientific attitude and sense of responsibility of grade-eight students are all cultivated from zero foundation.Once they fall behind,they will have difficult consequences.At present,there are some phenomena in junior high school experimental physics teaching,such as tight teaching tasks,ignoring experimental design links and single teaching methods.In the existing classes with large classes,most teachers focus on the average level,and rarely implement differential teaching for students at different levels,resulting in the unhealthy phenomena that excellent students don’t have enough to eat,middle-level students are satisfied with the status quo,underachievers have indigestion,and polarization is getting worse and worse.It is an urgent problem in the current physics experiment teaching that how to meet the various physical experiment learning needs of differentiated students,so that every student can participate in the physics experiment class highly and learn something.Therefore,this study focused on the personalized characteristics of students in junior high school physics experiment teaching,took this resource into full consideration to design corresponding junior high school physics experiment teaching strategies,and applied these strategies to carry out physics experiment teaching practice in the second grade of junior high school.Based on the relevant theories of differential teaching,this paper studied the strategies for teachers to carry out effective experimental differential teaching in the face of students with objective differences.First of all,domestic and foreign literature on differential teaching and physics experiment teaching were searched and studied to understood the current research status,and related concepts and theoretical basis were sorted out to make adequate preparations for subsequent researches.Secondly,under the guidance of relevant theories,the differential teaching strategies of physics experiment were put forward in this study,which combines differential stratification,dynamic group learning,close to core literacy,designing hierarchical goals,setting ladder questions,broadening students’ thinking,and promoting high participation,differential evaluation and positive feedback based on differential division of labor.Finally,the differences of the experimental group students’ physical experiment knowledge level,operation level,learning style and so on were detected by choosing the suitable practice objects and using the method of questionnaire and test.Through the analysis of the test results of the students in the experimental group and the control group before and after the practice,it was found that these strategies can effectively promote every student’s basic level of physics experiment to make some progress in the teaching practice of physics experiment in the second grade of junior high school.In addition,this study will provide some ideas and directions for the application of differential teaching in junior high school physics experiment teaching,and make a modest effort to explore new teaching methods under the new curriculum standard. |