In this activity students use rocks and aluminum foil to construct a watershed.
Then they add pollutants (oil and manure) and observe how pollutants affect a watershed.
Finally, they add a wetlands (a sponge) to observe how wetlands can help to clean pollutants from a watershed.
Vital Signs is a Gulf of Maine Research Institute Program. Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution (CC-BY) 3.0 License.