Session:

Postdeadline Abstract (Paper)

Paper Type:

Contributed

Title:

Making Sense of Yintercepts in Introductory Laboratories

Meeting:

2015 Winter Meeting: San Diego, California 
Location:

N/A 
Date:


Time:

4:10PM

Author:

Bradley S. Moser, University of New England
8607963010, bmoser@une.edu

CoAuthor(s):

James Vesenka

Abstract:

Modeling instruction methods emphasize paradigm discovery labs that encourage students to invent physical models themselves instead of relying on textbook equations. The key component of each lab is the "linearization" of data collected in order to answer the problem statement "How does Y depend on X?" Students determine the physical meaning of the slope, either through deduction or by defining new quantities. The slope is typically of great importance while the yintercept is negligible or merely an initial value of the dependent variable. What if, however, the experimental scenario was rich enough to support a yintercept just as meaningful as the slope? Then a laboratory could host multiple opportunities to hone the art of sensemaking. In this talk, we will highlight various paradigm experiments, each with a meaningful and physically interesting yintercept, such as buoyancy, standing waves, static equilibrium, and Newton's second law.

Footnotes:

None

Presentation:

AAPT 2015 winter meeting  Session IA05  Moser.pdf

