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物理学是一门实验学科，九年义务教育初中物理教学大纲明确指出：“初中物理教学要以观察、实验为基础。观察现象进行演示和学生实验，能够使学生对物理事实获得具体的明确的认识，这种认识是理解物理概念和规律的必要的基础。……要大力加强演示和学生实验。”大纲还指出：“
Physics is an experimental subject, and the ninth-year compulsory education physics syllabus clearly states: "The physics teaching in junior high school should be based on observation and experiment. Observing the phenomena and demonstrating students’ experiments can enable the students to obtain specific and clear physical facts. Understanding, this understanding is the necessary foundation for understanding the concepts and laws of physics.... It is necessary to strengthen the demonstration and student experiments.” The outline also states: “