初二学生刚接触物理,被神奇的物理现象深深吸引,兴趣很浓。但由于他们观察能力、实验能力和抽象思维能力十分有限,分析判断能力也还很不成熟,因此有很多在成年人看来是显而易见的浅显问题,却成为他们难以理解和掌握的教学难点。为了使学生学习物理的兴趣和热情能保持和发展下去 The students of the 2nd grade were newly exposed to physics and were deeply attracted by the magical physics. Their interest is very strong. However, because their observation ability, experimental ability, and abstract thinking ability are very limited, and their ability to analyze and judge is still immature, there are many superficial problems that appear to be obvious to adults, but they are difficult for students to understand and master. In order to enable students to learn physics interest and enthusiasm to maintain and develop