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Interactive
NOAA

Noaa: Estuaries: Noaa: Science Data: Graphing

For Students 9th - 10th
Create graphs of marine ecosystems using real-time data.
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Website
NOAA

Noaa: Estuaries: Noaa: Teachers: Middle School

For Teachers 6th - 8th
This resource provides a middle school curriculum on the topic of estuaries. Includes a PDF (requires Adobe Reader).