The Third Grade In Chemistry Problem In The Design Of Leading Research And Practice

With the new curriculum concept in teaching unceasingly thorough, classroomteaching mode has been changed, how to improve the effect of classroom teaching, howto make students tired "to study" into "I want to learn the students love" is each teacherevery day thinking and research important question, use what kind of pattern canpromote our teachers’ method of teaching, students learning method to change is thefocus of our study.Found in the teaching practice, case teaching mode is to promote teachers’ teachingmethod, the transformation of students’ learning style subdues the magic weapon, in thechemistry teaching is an indispensable part in the teaching of chemistry course, use caseis significant. Lessons can help students construct knowledge network as soon aspossible is clear, can truly give students" burden", so that the students can learn, canhelp teachers and students" in their place", help teachers control the class and to urgethe students to learn, students review the best data. In order to design and use case, itmust design a good question lead the essence of this lesson. A lesson design practical ornot, a lesson for success, student achievement ideal and not by the question lead effect.In view of this phenomenon, this paper studies the problem of leading principle, shouldgrasp the problem of leading the whole play, led by sex, pay attention to the problem ofthe extended lead, lead to problems of richness, reflect a problem leading learning value.Found the problem design method: to highlight key points, should have stronginspiration, combined with the actual creation of context, to a reasonable level, toconsider the feasibility and high efficiency, to reflect certain interest, question designshould pay attention to save space, guide the students to ask questions. In teachingpractice, using these principles and methods, the Dalian City middle school seventeenthgrade three students of four classes as measured, by using observation, test method, theliterature method and content analysis method, according to the stage of students andthe psychological characteristics, put forward to the problems in teaching of lessonsdesigned to lead to the rational suggestions based on the analysis of problems, lead incase teaching.Through a lot of theory research and practice prove, in the process of teaching theuse case for question lead not only can help teachers improve teaching level, effectivelyimprove the efficiency of the classroom; also can help the students change their learningstyle, improve academic performance. Plug in question lead wings, can make teachers teach easily, let the students learn to relax, let our classroom full of vigor and vitality.