Measuring Viscosity

Groups use a marble to determine the viscosity of household fluids. The procedure calls for pupils to measure the amount of time it takes a marble to fall a specified distance in the fluids. Using unit conversions and algebra, the teams then determine the viscosity of the fluids.

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CCSS: Designed
Instructional Ideas

  • Collect the group data for each fluid and calculate a class average for each
Classroom Considerations

  • The class should be comfortable with substituting into formulas and calculating for unknowns
  • Collect fluids and decide how many groups will test each fluid
  • The sixth activity in a series of 10
Pros

  • The resource contains suggestions on how to extend and scale the activity for different grade levels
  • The worksheet contains the formulas needed to make all the necessary calculations
Cons

  • None