运用我们身边的一些常用物品进行实验,常会产生意想不到的教学效果,比“正规实验”更富有亲切感,更贴近学生的生活实际,从而能激发学生的学习兴趣和唤起学生的学习动机,使他们深刻理解所学的知识,让学生形成终身记忆。下面以乒乓球为 Experiments with some commonly used items around us often produce unexpected teaching effects. They are more intimate than “regular experiments ” and closer to the actual life of the students, so as to stimulate students ’interest in learning and arouse students’ motivation to learn , So that they deeply understand the knowledge learned, so that students form a lifetime memory. The following table tennis