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In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection through data collection and pattern recognition.

In this activity, learners are introduced to tree rings by examining a cross section of a tree, also known as a “tree cookie.” They discover how tree age can be determined by studying the rings and ho

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

This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this lesson, learners will understand the concepts behind endangered and extinct animals and develop their own conservation plan to save three endangered species.

In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.

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.

In this activity, learners simulate the separation techniques that materials recovery facilities (MRFs) use and then design their own series of recycling techniques.

Water treatment on a large scale enables the supply of clean drinking water to communities.

In this math lesson, learners apply the concepts of ratio and proportion to the capture-recapture statistical procedure.

This activity (on page 2 of the PDF under SciGirls Activity: Earthquakes) is a full inquiry investigation into aerial imagery.

April showers bring May flowers, but what do coastal storms bring?

In this activity, learners investigate the food, water, and space needs of common livestock animals.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.