Daphnia Bioassay LD50

This Daphnia Bioassay LD50 lesson plan also includes:

De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing solution increases. They then analyze their results to determine a reasonable solution.

3 Views 0 Downloads NGSS: Adaptable
Instructional Ideas

  • Have each group test a different substance typically used as a de-icer
  • Ask classes to write a letter to city officials outlining the lab results
Classroom Considerations

  • Requires advance preparation of at least one week

  • Resources come in an editable version
  • Connects chemistry to a relevant problem

  • None