内容说明本课内容为自编内容,是一个关于臭氧层的研究与探讨的环保话题。本节课的重点是通过涂画、观察,体验臭氧层含量增减变化的过程。学生从中发现问题,引发积极的情感冲突,认识到人类活动与臭氧层变化的关系,从而形成积极的科学价值观和社会价值观。教学过程一、创设探究情 Content Description This course is a self-edited content and is an environmental topic on the research and discussion of the ozone layer. The focus of this lesson is to paint, observe, and experience the process of changes in the ozone layer. Students find problems, triggering positive emotional conflicts, recognizing the relationship between human activities and the changes in the ozone layer, and thus forming positive scientific and social values. Teaching process, create inquiry