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Science » Earth Sciences » Oceans

features "Estuaries 101 Curriculum" -- three modules for Grades 9-12 that focus on life science, earth science, and physical science. Students use historic and real time data and hands on activities to investigate estuaries -- the thin zone along a coastlines where freshwater systems and rivers meet and mix with the ocean. (National Oceanic and Atmospheric Administration)

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Interesting Fact:

Invasive species are those that do not naturally live in an estuary, but were introduced, often accidentally, by humans. Invasive species compete with native plants and animals for shelter and food and weaken the ecosystem.
Image of woman conducing research in an estuaries.

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