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Abstract Title: Life Science Students' Productive Reasoning about Ideal Gasses
Abstract: We used Hammer's resources framework to guide the development and assessment of tutorial and homework interventions that refine student thinking about ideal gases. We propose an operational definition of in-the-moment productivity in student conversations and written work (based on the work of Russ et al. and Engle and Conant) to help us identify when students are making progress toward a normative understanding during the reasoning process itself. We found that students used many conceptual resources (some unexpected) and they were able to create mechanistic chains.  This work was a first step to curriculum development on the difficult and biologically important topic of moving fluids by scaffolding the concept of fluidic pressure by comparing the behavior to that of an ideal gas.
Abstract Type: Contributed Poster Presentation

Author/Organizer Information

Primary Contact: Daniel Young
Gustavus Adolphus College
800 West College Avenue
St. Peter, MN 56082
Phone: 8707187864
and Co-Presenter(s)
Dawn Meredith -- University of New Hampshire