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(一) 在初中化学教学中,当教完某一章或某一单元时,除了教师应在课堂上根据课文中的重点或同学在学习这单元以後尚有疑难的地方,作必要的解释或有系统的复习外,并可按照课文内在联系,利用直观教具,如仪器、图表、模型等,举行单元复习展览。为了能更有效的发挥复习展览作用,并能引起同学对该章复习兴趣,启发学生积极思维,相互讨论,通过实际资料的理解,去掌握与概括中心内容。我们
(1) In the junior high school chemistry teaching, when teaching a certain chapter or a unit, in addition to teachers in the classroom should be based on the focus of the text or classmates after learning this unit is still difficult to make any necessary explanation or A systematic review, and in accordance with the intrinsic link within the text, the use of visual aids, such as equipment, charts, models, etc., unit review exhibition. In order to be able to play a more effective role in reviewing exhibitions and arousing students’ interest in the chapter, students are encouraged to think actively and discuss each other, and to grasp and summarize the contents of the center through the understanding of actual data. we