兴趣是指一个人经常趋向于认识、掌握某种事物，并具有积极情绪色彩的心理倾向。学生在学习活动中对自己感兴趣的现象、原理、规律等。总是主动、积极地去认识、探究。中学化学教材内容很多是与日常生活相关的。因此，我们在教学活动中，通过精心设计，巧妙联系实际，使学... Interest is the tendency of a person to tend to know and master certain things, and to have a positive emotional tone. Students are interested in phenomena, principles, laws, etc. in their learning activities. Always actively and actively understand and explore. Many of the chemistry textbooks for middle schools are related to daily life. Therefore, in our teaching activities, we have carefully designed and ingeniously contacted the real world to make learning...