Investigation On The Obstacles Of Chemical Situation Problem Solving In High School Students

The situation question occupies the important position in the High School Chemistry Study,is develops the student chemistry discipline core accomplishment important grasping hand.The author found in the daily teaching,senior high school students to solve the chemical situation of the ability level is low.In order to fully understand the concrete obstacles that students encounter in solving the problems of chemical situation,the author makes an in-depth study of the types of obstacles that students may encounter in solving the problems of chemical situation by means of tests and interviews,in the light of the types of obstacles,this paper puts forward corresponding countermeasures,which can not only improve students' comprehensive ability and quality of chemistry,but also provide materials for other chemistry teachers'practical research,to provide guidance for classroom situational teaching.Six out of 14 classes of grade two of senior high school were randomly selected and distributed the questionnaire of chemical situation problem-solving in senior high school,and 272 effective questionnaires were collected.At the end of the exploration,two students were selected to be interviewed in the high,middle and low subsections.Based on the questionnaire and interviews,the author draws the following conclusions:In the process of information processing,some students have difficulties in applying and transferring information,and how to transfer situational information into chemistry has become another obstacle for students to solve the situation problems After the effective information of the problem is extracted and the subject knowledge of the problem is judged,some students also have problems in "How to represent the problem in chemical terms",due to the lack of time or other reasons,some students lack the process of reflection and summary,and the wrong questions still have not been corrected In addition to the above obstacles,there are also some obstacles caused by non-intelligence factors,such as mood,careless problem-solving,unclear problem-solving,etc.There are significant differences between male and female students in solving chemical situation problems,and female students are better than male students in solving chemical situation problems.