Making a Calibration Curve for Starch Concentration

This Making a Calibration Curve for Starch Concentration lesson plan also includes:

How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.

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Instructional Ideas

  • Have learners investigate other solution concentration curves and notice any similarities and differences with the starch concentration curve
Classroom Considerations

  • Pupils should have experience with solution concentrations
  • Experiment requires starch and iodine, as well as various scientific instruments
Pros

  • Provides a spreadsheet of starch concentration calibration curves
  • Lists detailed steps for the investigation
Cons

  • None