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In this activity, learners create models of erosion and floods and learn to recognize both in their environment.

In this activity, learners will pretend to be archaeologist using this chilling experience.

In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.

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.