The Computer as a Conceptual Lab: Learning Dynamics with an Exploratory Environment

Abstract

Computer simulations will change the way science is learned In this paper we will discuss the rationale and some problems facing the development of a computer tool for exploring newtonian mechanics—a particle movement simulation called NEWTON ⁴. The development was based on common misconceptions found in students before and after they have been exposed to newtonian dynamics. The goal of the program is to “extend the range of manipulable objects” allowing the user to confront “reality” against “simulation and description of reality”. It can be considered as a “computer-based conceptual laboratory” where physical constructs (like velocity or force) can be controlled and manipulated. The user interface is based on the technique of “direct manipulation”.

The author acknowledges the assistance of J.M. Carvalho and Paul Mazery in translating this paper into English.

This work was done with support from MINERVA project and from the Portuguese Apple representative, Interlog s.a. The program will be used in a research project (“Cognitive and metacognitive effects of computer simulations in concept learning dynamics”) that the author is doing under the supervision of Professor Maria Odete Valente, from the Department of Education of the Faculty of Science of the university of Lisbon.