Analyzing Tree Rings

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methuselah tree.jpg

In this lesson plan students become dendrochronologists - tree ring scientists. The lesson introduces Methuselah, an ancient bristlecone pine that has lived more than 4,600 years. Students learn how scientists determine the age of living and non-living trees through a hands-on activity comparing paper versions of tree rings with each other.  Tree rings vary in thickness due to water availability in a growing season.  This lesson can easily link up with both climate and water lessons.

This lesson is correlated to National Science content standards.

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