Guides & Resources

Vanishing ActsTrees Under Threat

High School

Dendrology is the study of trees. One aspect of that is the close examination of tree rings. These rings don’t just indicate the age of the tree, they also tell us valuable information about weather and climate changes. In this lesson students will explore some of the things trees can tell us about history.


About the Vanishing Acts Series

These resources were developed by the Morton Arboretum for a special traveling exhibit The Holden Arboretum hosted in 2012. They provide great classroom resources for teachers talking about endangered species.

Explore the series

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