化学演示实验,能使学生具体地认识物质的外表特征,物质变化条件、现象和规律,顺利形成概念和确信理论的真实性,并能培养学生观察、分析、综合等能力,还可给学生示范正确的实验操作、严谨科学态度和工作方法。它在化学学科的素养教育中有其不可代替作用。 Chemistry demonstration experiments enable students to specifically understand the physical appearance of materials, material changes, phenomena and laws, the successful formation of the concept and the authenticity of the theory, and to develop students’ ability to observe, analyze, synthesize, but also to demonstrate to students Correct experimental operation, rigorous scientific attitude and working methods. It has its irreplaceable role in the literacy education of chemistry.