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一、目标导学1.知识与技能:通过观察思考,准确地描述钠的存在、冶炼、用途和物理性质;通过实验探究,深刻领悟钠的化学性质。2.过程与方法:从自然、生活、科技和历史角度来认识物质,通过实验探究和问题讨论,领会实验探究的方法,探索钠的相关问题。3.情感态度与价值观:通过追踪科学发展历史并亲
First, the goal of guidance 1. Knowledge and skills: Through observation and thinking, accurately describe the existence of sodium, smelting, use and physical properties; through experimental exploration, a deep understanding of the chemical properties of sodium. 2. Process and methods: To understand matter from the perspectives of nature, life, science and technology, and history, through experimental exploration and problem discussion, comprehend experimental exploration methods, and explore related issues of sodium. 3. Emotional attitudes and values: By tracking the history of scientific development and pro-