The Science of an Environmental Contaminant

In this clip from David Shaw's Second Century Stewardship, join a fourth-grade science class for a hands-on citizen science adventure in Acadia National Park and learn how dragonflies, who spend their larval years in marsh waters, can be an indicator of mercury contamination and other pollutants in watershed areas.


This video would make for an energetic look at citizen science in action in Acadia National Park. You might use it in association with units on the water cycle, pollution, ecology, or biology. Consider incorporating it into the following lessons:

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