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Has Earth's atmosphere always been capable of supporting life? Discover how the air around us has evolved in the first video in a series of seven. Learners watch the amazing transformations that occurred within the atmosphere and the subsequent events that took place on land and in the ocean. The video includes the topic of the impact humans have made with the burning of fossil fuels.
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Instructional Ideas
- Give the class a timeline template so they can track the changes of Earth's atmosphere throughout the years
Classroom Considerations
- Show the video prior to beginning a unit on the atmosphere, Earth's cycles, or evolution to provide an illustrated overview of the link between past and present conditions
- Students should have some prior knowledge of the molecules typically found in our atmosphere, such as oxygen gas, nitrogen gas, and carbon dioxide
Pros
- The narrator discusses the specific components of the series and directs viewers to the appropriate video based upon what information they are seeking
- Illustrations within the presentation are simple and effective in communicating the content
Cons
- None