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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.

Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.