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Module Abstract

The appropriate balance between cohesive and adhesive forces results in an almost spherical drop of water standing on a surface, such as a lotus leaf. This effect is called superhydrophobicity.  Many factors such as liquid type, surface and temperature will determine whether a surface/liquid combination results in a superhydrophobic effect.  Students are encouraged to evaluate all the forces acting on the surface/liquid system and write inequalities that support the observations.

Module Resources and Documents

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Module Information, Procedures and Resources

PowerPoint Slides 

Student Card

Module alignment to Next Generation Science Standards (NGSS) & Common Core State Standards (CCSS)
NGSS Alignments Superhydrophobicity

 List of Required Materials

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*Magic Sand
Glue sticks