摘要：物理学是一门实验科学，因此物理演示实验显得尤为重要。演示实验是指配合物理课堂教学内容，由教师操作并引导学生观察实验现象的实验。它能激发学生兴趣、帮助理解、加深记忆、促进思考、培养能力，是物理教学的重要组成部分。通过观察实验来学习物理是有效的学习途径，而演示实验的可行性、科学性、可视性、趣味性决定的演示实验的质量，也决定了课堂教学的质量。因此，对演示实验的创新是当务之急。本文从演示实验的定义、创新原则出发，阐述演示实验的重要性及设计原则，并以电磁学创新实例阐明观点。
关键词：电磁学 演示实验 创新设计
Abstract：Actually physics is an experimental science,so physical demonstrated experiment is particularly important.Demonstrated experiment refers to an experimental teaching method,which is combined with physical teaching content and is operated by teachers to guide students to observe the experiment. The experiment can stimulate interests of students, help understanding, deepen their memory, promote thinking, cultivate ability, and is an important part of physics teaching. It’s an effective approach to learning physics by observing experiments． Then, the demonstrated experiment’s feasibility, scientific, visibility, interest decide whether experiments succeed, also determine if the classrooms finish perfectly．Therefore, the innovation of the demonstrated experiments is a priority.This article expounds the importance and design principles of the demonstated experiments on difinition and principle.Finally,it clarify the opinion with electromagnetism innovation examples.
Key words:electromagnetism demonstrated experiment innovative design
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