妙用实物投影仪可以提高课堂教学效率,放大物理实验效果。教者并不满足于现状,而是以实物投影仪为平台,巧妙地改进物理实验,创设物理实验,成功地用相声、魔术的形式演示物理实验,进一步激发了学生的学习兴趣。使学生能正确认识物理现象的关键特征,获得正确的表象,获得生动的感性知识,以激发、激活学生的灵感火花。 Magical physical projector can improve the efficiency of classroom teaching, enlarge the physical experiment results. The teacher is not satisfied with the status quo. Instead, he uses physical projectors as a platform to skillfully improve physical experiments, create physical experiments, and successfully demonstrate physical experiments in the form of comic dialogue and magic to further arouse students’ interest in learning. Enable students to correctly understand the key features of physical phenomena, to obtain the correct appearance, access to vivid emotional knowledge, in order to stimulate and activate students’ spark of inspiration.