Dendrochronology Lesson and Lab

Grade Levels
8th - 10th
Formats Included
  • Zip
34 pages
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Teaching about dendrochronology, climate change, or proxy records? Tree cores and cookies hold clues to Earth's past. In this mini-unit, students will learn how to analyze tree cookies and cores and make inferences.

Included in this lesson:

- 21 slide powerpoint introducing students to dendrochronology and how to read tree cookies and cores

- 13 page PDF that includes:

  • Teacher directions on how to preserve tree cookies and make simulated tree cores (Materials needed: Tree cookies, clear straws, and play-doh. If you don't have access to tree cookies, a picture has been provided)
  • Background articles for students on how to read tree cookies and cores
  • Lab worksheets- one for tree cookies, and another for tree cores
  • Answer keys

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Total Pages
34 pages
Answer Key
Teaching Duration
2 days
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