Exploring the Relation Between Intuitive Physics Knowledge and Equations During Problem Solving

Abstract

Solving many quantitative problems does not necessarily lead to an improved Physics understanding. However, physicists, who have learned physics largely through quantitative problems solving, often have a refined physical intuition. Assuming that the refinement of physical intuitions occurs, to a great extent, during problem solving, the question that guides this study is: how do equations contribute (or not) to the refinement of students’ intuitions? We approach this study within a knowledge-in-pieces perspective and we describe intuitions using diSessa’s (1993) phenomenological primitives. We present a study in which two cases, corresponding to two groups of students solving a problem involving buoyancy are compared. We discuss how the use of equations does or does not contribute to the refinement in students’ intuitions.