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本教案是笔者讲授义务教育课程标准实验教科书《原子的构成》一节公开课的教学设计。本节课得到了听课教师的肯定,同时也存在一些需要改进和值得反思的地方。一、教学设计1.教学目标(1)知识与技能:知道原子由原子核和核外电子构成,原子由质子和中子构成,知道相对原子质量的概念;能描述构成原子的各粒子的电性、电量和质量的关系。(2)过程与方法:利用图表、多媒体等教学手段,化
The lesson is the author taught compulsory education curriculum standard experimental textbook “The composition of the atom” a section of open teaching design. This class got the affirmation of lecture teachers, but also some areas that need improvement and are worth reflecting on. First, the teaching design 1 teaching objectives (1) knowledge and skills: know that the atom is composed of nuclei and extranuclear electrons, the atom is composed of protons and neutrons, to know the concept of relative atomic mass; to describe the electrical properties of the particles constituting the atom , The relationship between power and quality. (2) process and methods: the use of charts, multimedia and other teaching methods, technology