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

In this outdoor activity linking human health to the environment, learners use their pulse rates as a measure of the effort expended in walking on different slopes.

In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

In this activity (Lesson 1), learners work in groups to create tide simulations.

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.