Analyzing the data; "It's time to tell the story" about Buds, Leaves, and Global Warming

In this activity, students explore how the timing of color change and leaf drop of New England's deciduous trees is changing.

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Lise LeTellier
Harvard Forest Schoolyard LTER

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Teaching Tips

Teaching Tips

Educator should definitely run through this exercise before introducing it to students.

The Harvard Forest LTER has a manual to assist educators interested in integrating data into their curricula at [link

This investigation is not an experiment, so a prediction of which tree loses its leaves earliest in the fall might be more appropriate than asking students to form an hypothesis.