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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

This activity (located on page 3 of the PDF under GPS: Alligator Habitat Activity) is a full inquiry investigation into organisms and the health of their ecosystems.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.