The Scratch online authoring tool, which features a simple programming language that has been adapted to primary and secondary students, is being used more and more in schools as it offers students and teachers the opportunity to use a tool to build scientific models and evaluate their behaviour, just as can be done with computational modelling…

This paper presents the multimedia product for teaching Natural Sciences to 10-12 years old children. In this product three pedagogical agents, Teacher and two pupils guide the learner through the virtual environment. The inclusion of a team of pedagogical agents permits us to create a micro-model of lesson activity and gives a reliable support of…