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1 教学目的 (1)知道“分子运动论”的基本内容; (2)初步学会用“假说”方法研究物理问题; (3)培养学生观察、想象、分析、归纳能力. [评注:上述教学目的兼顾知识、能力和科学思维诸方面] 2 教具 若干天前吹足气的气球2只,高锰酸钾颗粒和水,装有二氧化氮气体的集气瓶和空集气瓶,硫酸铜溶液和水,装硫酸铜溶液和水混合液的试管2支,铅块2
1 The purpose of teaching (1) to know the basic content of “molecular exercise theory”; (2) To learn how to use the “hypothesis” method to study physics problems; (3) To develop students’ ability to observe, imagine, analyze, and summarize. [Commentary: The purpose of the above teaching Considering knowledge, ability, and scientific thinking aspects 2] Two balloons with enough suffocation several days ago, potassium permanganate particles and water, gas cylinders filled with nitrogen dioxide gas, and air cylinders, copper sulfate solution And water, loaded copper sulfate solution and water mixture of two test tubes, lead 2