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就中学化学教学而言,课堂教学方案的设计是其中不可或缺的环节,因为其对于教学模型的优化绘出了理想化的蓝图。但由于化学学科本身具有着复杂、多样的性质,导致在化学物质性阶段学习进行过程中出现理论理解上的局限;同时由于生源的差异导致在学习过程中对于化学学科认知能力各有差异;随着科学技术的飞速发展,学生思维在一定程度上更活跃等等,基于以上原因,使得化学学科的教学过程具有偶然性和随机性。
For middle school chemistry teaching, the design of classroom teaching plan is an indispensable part of it because of its idealized blueprint for the optimization of teaching model. However, due to the complex and diverse nature of the chemistry subject itself, it leads to the limitation of theoretical understanding in the process of learning the chemical substance. At the same time, due to the difference of the students, there are differences in the cognitive ability of the chemistry subject in the learning process. With the rapid development of science and technology, students' thinking is more active to a certain extent. Based on the above reasons, the teaching process of chemistry is contingent and random.