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化学是一门以实验为基础的自然科学,实验教学能为学生正确认识物质及其变化规律提供实验事实,它具有目的性、探索性、现实性和感知性。所以教学应该紧扣实验这一学科主题,着力启发学生的创新意识,造就敢于创新、善于创新、勤于创新的高素质人才。以下是我在讲授《义务教育课程标准实验教科书化学(九年级)》(人民教育出版社出版)第二单元课题3《制取氧气》时所做的一些尝试。
Chemistry is an experiment-based natural science. Experiment teaching can provide experimental facts for students to correctly understand the matter and its changing rules. It has purpose, exploration, reality and perception. Therefore, teaching should be closely linked to the subject of this subject, exerting every effort to inspire students’ sense of innovation and create highly qualified personnel who dare to innovate, be good at innovation, and be diligent in innovation. The following is my attempt to teach “Compulsory Oxygen” in Unit 2 of Unit 2 of the Compulsory Education Curriculum Standard Experimental Textbook (Grade 9) (People’s Education Press).