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This activity (located on page 3 of the PDF under GPS: Cave Swallows Activity) is a full inquiry investigation into bird behaviors.

In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors.

In this activity, learners will explore trends in Canada goose populations using real data from the National Audubon Society's Christmas Bird Count.

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