Chemical Potential: Staircase Demonstration

It's all uphill from here! Scholars examine the pattern of random particle motion up a staircase. The simulation shows how the linear increase in energy corresponds to an exponential decrease in particle concentration.

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Instructional Ideas

  • Start the simulation at the beginning of class; analyze during the final 15 minutes
  • Create a best fit line to model the change
Classroom Considerations

  • Ensure an understanding of chemical potential prior to the demonstration
Pros

  • The demonstration provides both a bar and line graph to help visualize the pattern
  • Allows control of different variables
Cons

  • None
NGSS