Chemistry Question Design And Teaching Research On Vocational Education

With the development of national vocational education, vocational schools comeout from low valley gradually. The recruit number of students increases year by year.However, because vocational schools reduce threshold and change policy of recruitingstudents, the comprehensive skill of students go comparatively down, which bringstremendous pressure to teaching work.By investigating we find when students enterschools they not only get worse chemistry result but also show many characteristicssuch as: the studying interest is not high, weak consciousness of questioning, thethinking is not active, the ability of discovering and settling problems is bad and so on.Many teachers can not adjust and investigate a new teaching method in time accordingto students'present condition . They always persist in "engraft knowledge all along inclass" and "teachers talk alone in class". It result in students'passive condition thatthey have nothing to do and don't understand in class. The atmosphere is depressed inclassroom and teaching efficiency is low. To carry out the teaching principle "takestudent as the center" really, and raise teaching quality of big area. Under the premiseof the class teaching system, the question teaching method has been one of validteaching means gradually, and the core of problem teaching is question design.Question design is that teacher must make the core principle of development asthe basic thing. According to characteristics of different knowledge, students'cognition level and experience, teachers chose best questions and set up reasonablescene of showing problems from the type and difficulty and step degree of problem.By putting question design into practice in teaching , teachers can reduce teachingdifficulty ,adjust students' thinking, promote the construction of students, knowledge,and then raise teaching quality.In the question design and study of teaching, "recently develop area "theory,construct doctrine study theory and disseminate theory provide theories foundation forthe research of this topic. In the research of this topic, we mainly take the type ofquestion and the function of teaching as starting point, by analyzing typical cases, takeproblem as main line, take establishing problems as target, and grope for mainly onbasic principle, process and method that the question design should conform to . Theestablishment of question design principle, which provides the theory basis anddirection for the problem design, is the guarantee of designing a high quality problem.The processes of establishing a center problem, designing a problem project,setting up question scene, making the question design excellent. provide strongermaneuver ability for problem design. It also put forward a higher request to teachers.In the topic studying, we apply comparision. It can get satisfied teaching resultsby applying comparision methods in the teaching practice, and carrying the analysison process and result of teaching. By studying the topic, we investigate a teachingmethod not only match modern teaching theories and education teaching regulation,but also conform to the spirit of quality education. It has sense for chemistry teachingof medium vocational schools in both theory and practice.