The Exploration And Application Of Scaffolding Teaching In Chemistry Teaching In Senior Middle School

With the progress of society and the development of science,the country need a large number of high-quality personnel every year,but the cultivation of talent can not only rely on institutions of higher learning,we should start from basic education.New curriculum reform advocates the three major ideas: focus on student development,emphasizing the growth of teachers,attention to learn determine teach;for the high school teaching put forward new requirements.The traditional high school chemistry teaching model only focuses on the transmission of knowledge and the level of achievement,teachers as the center in class,teachers are talking themselves out of knowledge in forty minutes of time,students rarely participate in classroom content,they are often used as "viewers" in class,this kind of classroom is more boring and inefficient for students;we only focus on "whether to learn","test questions whether can do","can not test high scores",these issues.Scaffolding teaching is one of the three teaching models under the theory of constructivism,"the latest development zone" as its fundamental theoretical basis."Recent Development Area" theory that children’s cognitive ability can be divided into the actual level of awareness and potential cognitive level,the distance between the two is the recent development area.In the teaching process,teachers set up the appropriate teaching stent between the actual level of students and the potential level of development,it can help students to learn independently,completing the construction of new knowledge meaningful.Student as the center on scaffolding teaching design,the teacher is only as a student learning helper,only building stents for students to enhance the cognitive ability,not too much interference with the freedom of students’ thinking,classroom activities around the students to start,can improve the enthusiasm of students and reduce teachers’ burden,scaffolding teaching greatly improve the efficiency of students to learn chemistry.There are many theoretical studies on the design of domestic brackets,and the practice in high school chemistry teaching is relatively few.After looking up literature data and summarizing research experience at home and overseas,we determine the experimental ideas,scaffolding teaching design of the classroom is divided into five areas: the creation of the situation,build stents,self-learning,group cooperation,effect evaluation.The creation of an effective teaching context can successfully introduce the attention of students into the subject of this section,so that students can wholeheartedly carry out the following teaching activities;a suitable stent building in student’s "recent development area" can help students to make meaningful construction of the festival’s content;relying on the role of scaffolding stent students can complete the self-exploration for the new knowledge;in the group cooperation students can know what is missed or is ignored,it can be better for migration use of knowledge;effect evaluation and testing can help students consolidate and deepen their understanding of knowledge,and better stimulate students’ interest in learning.Scaffolding teaching should follow some of the necessary principles to ensure the real-time effectiveness of teaching,in the teaching design we should solve some problem involved of the "recent development zone" : so large number of classes in class,they have different cognitive level,in the class teaching should take the "average recent development zone" of students to set reasonable teaching stent,ensure the teaching design is based on the "nearest development area" of the largest number of students.05,06 two classes as the experimental classes are the implementation of stent-style teaching mode,the control class including 07,08,09,10 teaching by the same level of teachers are practice by the traditional model of teaching,take the student chemistry results of the experimental class and the control class at the beginning of the semester and the end,using SPSS software do significant analysis with the experimental classes and the control classes,compare the students’ chemical performance between different class whether in same level,according this can ensure experimental class’ chemistry scores whether have improved;at the same time take two times questionnaire survey at the begin and the end of senior one’ next term,through comparative and analysis the survey result as another according measure whether the experiment is successful.All the activity of scaffolding teaching is around students,it think a lot the ability of students’ cognizance and accept,also emphasizes the subject position of the students’ class,Therefore,the classroom under the censure teaching mode must be more popular among the students,they will put higher interest in chemistry,their academic achievement should be better,self-learning,cooperative learning ability,the discipline of the discipline of the discipline will be higher,it is more beneficial to the develop of students’ scientific literacy,comparing with tradition teaching,scaffolding teaching modal in chemistry class is more benefit for student’ long-term development...