Explore terminology related to water droplets. The sixth installment of a nine-part series teaches young scientists about wetting and contact angles between water droplets and surfaces. It also distinguishes between hydrophobic and hydrophilic surfaces.

Concepts

surface tension, water molecules, hydrophilia, hydrophobia, technology resources

Show More Show Less

Instructional Ideas

• Have learners create a graphic organizer comparing total wetting, partial wetting, and no wetting

Classroom Considerations

• Be sure to use the associated activity (seventh installment of the series) with this lesson
• You need some method for showing a picture to the class (projection or printouts)

Pros

• Teacher resource includes diagrams and photos that promote understanding

Cons

• Does not provide any handouts or worksheets