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This What Can Tree Rings Tell Us About Climate? lesson plan also includes:
Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size differences in the rings. After writing a hypothesis, groups analyze data and build an argument to support their thoughts and findings.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Most groups will know that tree ring differences are directly proportional to precipitation; to move beyond this, incorporate the extension ideas included at the end of the lesson
Classroom Considerations
- To complete the lab, teachers need tree cookies or cross sections of trees in order to analyze the rings; you can purchase these at the included link
- The lesson takes three to five class periods; if teachers do some prep work (downloading data, keeping presentations short, assigning portion of lesson as homework, etc.), it will cut the time needed
Pros
- Lesson provides background information for teachers and pupils
- Individual worksheets, directions, and an answer key are located near the end of the lesson
Cons
- None