Reflection: Pacing Stoichiometry Experimental Design - Section 5: Application


One practice that I used to use more to help students become more self-directed learners is the idea of a tracking chart. I did not use this idea during this unit but I wished that I had.

The way it works is I make a table with all student names down the left-hand column, and all of the skills a student needs to master across the top row. Each time a student shows mastery for a skill, the student can put a sticker in their row.

I was reminded of the importance of student self-direction during this lesson. Students approached their stoichiometry problem with a little more urgency during this lesson than they had been because I set up the lesson in such a way that they had to be cleared to do a lab by showing their experimental design. Creating a check-in point during a multi-day project is a good way to create urgency and give students sense of where they are in their own learning compared to everyone else in the class.

  Need to Know
  Pacing: Need to Know
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Stoichiometry Experimental Design

Unit 5: Stoichiometry
Lesson 6 of 8

Objective: Students will be able to design an experiment in which they can evaluate how closely an experiment’s actual yield corresponds to the theoretical yield.

Big Idea: Percent yield is derived by dividing the actual yield from the experiment by the theoretical yield predicted by stoichiometry.

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  60 minutes
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