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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.
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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