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In this art/science/math activity, young learners are introduced to the concept of symmetry in nature.

In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

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

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

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

In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

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.