Discuss atoms and molecules with this 90-minute lesson for 11th, 12th, and AP Chemistry students. They'll explore the chemistry behind the ozone layer's depletion and recovery, understand the Chapman cycle, and craft a social media post inspired by the Montreal Protocol. Within this lesson you will find a Teacher Slideshow, student worksheets, assignment rubric, a jigsaw activity, and a teacher answer key, all accessible via Google Docs!★ Access Free Lesson Plan Here ★★ Meet the Teacher: Greta S