Curated OER
Methuselah Tree
Students examine how scientists determine the age of living and non-living trees. They simulate the role of a tree-ring scientist, crossdating tree-ring samples and determining which sample is the oldest and the age of the samples.
PBS
Nova: Build a Tree Ring Timeline
This activity is an introduction to the branch of science called dendrochronology. Discover what this science tells us about the past and see if you can create a tree ring timeline by matching up band patterns from several different trees.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Logs of Straw Dendrocronology
Using straws to recreate tree rings, students learn how dendrochronologists work. Construct a 50-year climatic history on a three-meter time line.