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受固有观念的影响,目前依然存在着课改难以深入的现状,新课程理念和教学行为相脱节,学生学业负担依然过重,课堂教学效益不高的现象。为此,研究和探索课堂教学的创新是推进和深化新课程教学改革的重要内容和关键问题。下面是笔者这几年在课堂教学中解决化学实验问题的一点体会。1利用学生的质疑能力解决实验问题在化学实验教学中,教师应该为学生不断创设质疑的情境,同时鼓励学生对课堂教学中和实际生活中的实验现象、实验原理、实验设计等大胆质疑。
Affected by the inherent concept, there is still the current situation that the curriculum reform is difficult to penetrate in depth. The new curriculum concept is out of touch with the teaching behavior. The student’s academic burden is still heavy, and the efficiency of classroom teaching is not high. To this end, research and exploration of classroom teaching innovation is an important content and key issue in advancing and deepening the reform of new curriculum teaching. The following is the author’s experience in solving chemical experiment problems in classroom teaching in recent years. 1Using student’s questioning ability to solve experimental problems In chemistry experiment teaching, teachers should continuously create questionable situations for students, and at the same time, encourage students to boldly question experimental phenomena, experimental principles, and experimental designs in classroom teaching and practical life.