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演示实验是教师为配合课堂教学而对学生所做的表演示范实验.它主要是把要研究的物理现象展示在学生眼前,引导学生观察思考,配合讲授或穿插学生讨论等方式完成课堂教学任务,是一种最有效、最直观的教学手段.正确地选择和安排演示实验能使学生对物理现象获
Demonstration experiment is a demonstration experiment performed by the teacher for students in order to coordinate with classroom teaching. It mainly displays the physical phenomenon to be studied in front of the students, guides the students to observe and think, and completes classroom teaching tasks in conjunction with teaching or interspersing student discussion. Is the most effective and intuitive teaching method. Correctly selecting and arranging demonstration experiments can enable students to obtain physical phenomena.