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在物理课堂教学中,物理演示实验是学生认识物理规律的感性基础,是理论联系实际的重要方法,是提高学生学习兴趣,启发学生积极思维的重要手段.中学物理教师开展自制教具的实践活动,不仅可以满足课堂物理演示实验的需要,提高课堂质量,更可以锻炼自己动手操作的技能,增强教师的研究意识.而铝制易拉罐是较理想的材料,相对其他材料,有可塑性强、容易得到等优点.
In physical classroom teaching, physics demonstration experiment is the perceptual basis for students to understand the laws of physics, and is an important method of linking theory with practice, which is an important means to improve students ’interest in learning and inspire students’ positive thinking.Physical physics teachers in middle schools carry out practical teaching aids, Not only to meet the needs of classroom physics demonstration experiments, improve the quality of the classroom, but also to exercise their own hands-on skills and enhance teachers’ research awareness.Aluminum cans is an ideal material, relative to other materials, plasticity, easy to get advantage.