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化学是一门基础自然科学。它研究物质的组成、结构、性质、变化及合成等。它对实现社会主义祖国四个现代化的建设起着重要作用。为了让初中学生学好最基本的化学知识和掌握基本的实验技能。使他们为将来参加工作和继续学习打下一定基础,初中化学教师必须做好初中生的化学入门教学。一方面,尽管初中的学生年龄较小,抽象思维能力较低,但他们有较旺盛的
Chemistry is a basic science. It studies the composition of matter, structure, nature, changes and synthesis. It plays an important role in the realization of the four modernizations of the socialist motherland. In order to enable junior high school students to learn the most basic chemical knowledge and master the basic experimental skills. So that they can lay a solid foundation for future work and further study. Chemistry teachers in junior high schools must do chemistry introductory teaching for junior high school students. On the one hand, although junior high school students are younger and have less abstract thinking skills, they have more vigorous