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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

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 compare and contrast their own skin (including the area covered) with that of an orange.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

In this activity, learners collect, categorize, weigh and analyze classroom trash and discuss ways that engineers have helped to reduce solid waste.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.

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

This activity (page 2 of the PDF under SciGirls Activity: California Fish) is a full inquiry investigation into environmental adaptation.