1. Introduction

   • Uri Wilensky

   Introduction Pages: v - vii

2. Introductory Remarks

   • Seymour Papert

   Introduction Pages: ix - x

3. Statistical Mechanics for Secondary School: The GasLab Multi-agent Modeling Toolkit

   • Uri Wilensky

   OriginalPaper Pages: 1 - 41

4. Thinking Like a Tree (and Other Forms of Ecological Thinking)

   • Mitchel Resnick

   OriginalPaper Pages: 43 - 62

5. Making Constructionism Work in the Classroom

   • Andri Ioannidou
   • Alexander Repenning
   • Cyndi Rader

   OriginalPaper Pages: 63 - 108

6. Computer Math Snapshots

   • Uri Wilensky

   OriginalPaper Pages: 109 - 109

7. A Web-based Resource for Automatic Discovery in Plane Geometry

   • Francisco Botana

   OriginalPaper Pages: 109 - 121