One way to learn about tree growth is to look at annual rings. Tree rings show patterns of change in the tree’s life, as well as changes in the area where it grows. Students will trace environmental and historical changes using a cross-section of a tree, or “tree cookie.”
For the complete activity and more like this, purchase the Explore Your Environment: K-8 Activity Guide at Shop.PLT.org and/or attend a professional development training in your state.
Below are some supporting resources for this activity.
Download the copyright-free student pages that are included with this activity:
Reading Tree Cookies
Tale of Two Trees