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Magic Sand / Nanosurfaces

Magic Sand / Nanosurfaces

This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving). This activity also demonstrates how changing the size of material to nanoscale changes its behavior at the macroscale. The instructions assume that Magic Sand is performed as a demonstration, but it works great a a hands-on activity as well....

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