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In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.

This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

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.