Curated OER
"Logs of Straw: Dendrochronology"
Young scholars act as dendrochonologists working to reconstruct a 50 year climatic history. They make a personal timeline.
Alabama Learning Exchange
How Old Is That Tree?
Fifth graders study environmental changes by examining the annual rings of a cross-section of a tree trunk. They access websites to complete a worksheet on the parts of a tree. They count the annual rings on a tree slice while observing...
Curated OER
How Old Is This Tree?
Students work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.
Other
The Ancient Bristlecone Pine
Read about the discovery of "Methuselah," the oldest living tree. Where the bristlecone pines grow, in what conditions, and how they were dated.