Practical Study Of The Teaching Strategy About Elements And Compounds Of Junior Middle School Chemistry Review Based On Problem-solving

Teaching design using chemical problem solving for total review of junior high school, is teaching and learning activities, the problem solving as the guiding ideology,is trying to solve the long-term problem for students suffer from repeated training, is to enhance students' problem solving ability as the guiding ideology review.This thesis mainly adopts five kinds of methods to carry on the practice research:literature, questionnaire survey, comparison, test method, teaching case analysis.First, the theoretical basis of research is put forward based on consulting a large number of literature and summarizing the present research of problem solving.Then, with specific teaching cases,the study recommends several review structures that conducive to form the knowledge structure and problem solving -- elements and compounds knowledge as an example,and gives its teaching strategy after the analysis. The general idea is extracting information, than drawing thinkmap combining with problems(Or solving problem After using concept map to summarize) , at last summarizing the characteristics of this problem to solve this kind of problem, clearing options, summarizing the efficient way in the field of problem solving. The educator comprehensives the principle, program study, stating knowledge and cognitive strategies, combining the characteristics of chemistry and disciplines teaching practice -- reviewing the elements and compounds's the concept, principle and properties, preparation, usage etc., and forms the knowledge of network structure.Finally, The author draws the conclusion after comparison and analysis of the questionaire and test result.This research shows that the use of problem solving review way is very effective About Elements and Compounds of Junior Middle School Chemistry Review . It is easy to adjust up students' image thinking by multimedia teaching.Teacher questions and students answer after thinking pertinencly. The students analyze and summarize related knowledges, than discover theirs inner link, and construct knowledge network. Students applicate related knowledge and principles combining learning plan.This way is easy to form divergent thinking, thereby to improve the students' ability to solve problems.