Educator Resources

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The Study of Tree Rings

Learn about tree rings, the science of dendrochronology, and try techniques for yourself.

Tree-Ring Basics

Learn basic information about the study of tree rings.

Try Crossdating Online

The "Try Crossdating Yourself!" online tutorial, teaches you the basic technique of crossdating using the "skeleton plot" method.

Try Crossdating! Paul Sheppard's Online Skeleton Plotting Exercise

Print Tree-Ring Exercises

Obtain instructional exercises that help novices and experts hone their crossdating skills. Try a range of difficulties and applications.