Curated OER
"Logs of Straw: Dendrochronology"
Students 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?
Young scholars 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.