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【教学目标】1.知识与技能:以测定空气中氧气含量的实验装置为探究点,指出原实验的装置存在缺点,并对实验进行探索改进。2.过程与方法:通过学生参与实验,并对实验结果加以分析,体验科学探究的意义和基本过程。3.情感目标:学生在探究过程中通过亲自实践,不但获取了知识,更重要的是参与其中,使学生真正体验到探究的乐趣。通过分组讨论实验方案,培养学生善于合作、勤于思考、严谨求实、勇于创新和实践的科学精神。
【Teaching objectives】 1. Knowledge and skills: to determine the oxygen content of air in the experimental device as a research point, pointed out that the original experimental device has disadvantages, and to explore to improve the experiment. 2. Process and methods: Students participate in the experiment, and analyze the experimental results to experience the significance and basic process of scientific inquiry. 3. Emotional goals: Students in the process of inquiry through personal practice, not only to gain knowledge, more importantly, to participate in so that students really experience the fun of inquiry. By group discussion of experimental programs, students are good at cooperation, diligent in thinking, rigorous and realistic, innovative and practical scientific spirit.