The Research Of Physics Teaching Based On The Survey Of Misconception And Conceptual Change

Currently,the research of the teaching of conceptual change plays an indispensable role in the reform of science teaching,where the change of misconception generally defined as the mistake acknowledges which are produced by the experience of life or unreasonable teaching is the main content.The misconception severely hinder students to obtain new knowledge and may lead to other misconception.Therefore,it is a great significance that helping students to carry out the change from misconception to scientific concepts.In this paper,we take the DC circuit and the self-inductance as examples to study the change of the misconception in physical teaching.In the case of the DC circuit,the misconception of the junior high school students who have not learned electricity,the high school students who have learned Constant Current and the college students who have learned electromagnetic courses are obtained through the form of questionnaires.Based on these misconception,the improved teaching design including the teaching strategy of analogy,with the ontological conceptual change theory as a theoretical basis,is obtained,where the model of the analogy between the current and water flow is optimized.In the case of the self-inductance,we also obtained some misconception of high school students and college students through the same form using in the DC circuit.Based on these misconception,the predict-observe-explain(POE)is used to improve teaching design,which comprises using unidirectional diodes instead of the lamp for simplifying the problem of determining the direction of the induced current and using a current sensor to measure the magnitude of the induced current.The teaching practice is carried out by using the improved teaching designs.Finally,SPSS 19.0 was used to analyze the post-test data to test the implementation effect of the teaching of the conceptual change.According to the study of the conceptual change,relevant conclusions are drawn in the following.students have common misconception,Students at different stages of junior high school,high school and university have similar misconception about the DC circuit.The teaching strategy of the POE and analogy can promote the teaching of scientific concepts to a certain extent.The lack of knowledge in magnetic induction will affect the effect of the change of the misconception of the self-inductance.The misconception of students are stubborn.According to the research,relevant suggestions are proposed in the following.The typical misconception should be list in the guidebooks of teachers.Teachers should be encouraged to conduct the surveys of the misconception.Teachers should pay attention to the teaching strategies of conceptual change.Teachers should learn the relevant theory of conceptual change and related teaching strategies.