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一、教学目标1.知识与技能(1)通过实验认识浓硝酸、稀硝酸的氧化性不同,对金属与不同浓度的硝酸的反应形成更全面的认识。(2)掌握实验的基本操作,学会对实验现象和产物进行对比分析。2.过程与方法(1)通过实验探究,体验科学研究的一般过程,逐步掌握比较研究法,进一步形成交流、反思、评价的学习
First, the teaching objectives 1 knowledge and skills (1) through experiments to understand concentrated nitric acid, dilute nitric acid oxidation of different metals and different concentrations of nitric acid to form a more comprehensive understanding. (2) master the basic operation of the experiment, learn to compare the phenomenon of the experiment and the product. 2. Processes and Methods (1) To gradually grasp the comparative research method by experimentally exploring and experiencing the general process of scientific research to further develop the exchange, reflection and evaluation of learning