Measuring Surface Tension

How do you measure surface tension? The fifth installment of a nine-part series is an experiment where young scientists use tubes of different sizes to measure surface tension. They calculate the average and standard deviation of the results.

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CCSS: Designed
NGSS: Designed
Instructional Ideas
  • Have the class research the surface tension values of various materials and how the values relate to commercial uses of the materials
Classroom Considerations
  • Learners need to be able to calculate averages and standards deviations of a data set
  • Note that the procedures are written for advanced students and may need to be modified based on the needs of learners
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Directions contain diagrams of the lab set-up
  • Includes reproducible worksheet in both PDF and Word forms
Cons
  • Some repeat of information from previous experiment and lessons
NGSS