Tiny seedlings grow and transform into trees with a great quantity of matter.
Develop a model to explain where all the matter in a tree comes from when it begins as a small seedling.
Return to the Anchoring Phenomenon: Tiny seedlings grow and transform into trees with a great quantity of matter.
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This lesson follows Lesson 7.5: Matter Model lesson where students gained an understanding of the role of photosynthesis and the processes that occur at small scales that are relevant to the overall phenomenon. Students will apply their understanding of matter conservation and how the transfer of energy drives the motion of matter to a final model of the phenomenon. This is the final lesson of the sequence. Students will revise their initial individual models from Lesson 7.1: Tree Matter and apply the learning they gained from the previous lessons. Students will reflect on their own learning as they share their final models with others and provide/receive feedback. At this point in the sequence, students should develop models that indicate both visible and invisible components and how those components interact within the system to produce the growth and increase of mass seen in the video.
Throughout the lesson, a flag () denotes formative assessment opportunities where you may change instruction in response to students’ level of understanding and making sense of phenomena.
Two 40- to 55-minute sessions
None
Develop a model to explain where all the matter in a tree comes from when it begins as a small seedling.
Muviag. (2011, March 2). The growing tree / Timelapse Animation. Retrieved from https://www.youtube.com/watch?v=RjnKAWxCK3k.