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

In this online activity, learners find out whether they are smart enough to survive as a plant.

In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.

In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.