- Bujak B., Godlewska Z., Ociepa M., Opaska A., Raczkowska-Tomczak K., Trzebuniak A.: Centrum Nauk Przyrodniczych w Publicznym Gimnazjum Nr 6 w Opolu, Fair 17, Praha 2012
The article shows how to interconnect physics, mathematics, chemistry and biology with social science.
- Wujec-Kaczmarek A., Raczkowska-Tomczak K.: Density and floating objects experiments, Fair 14, Brno 2009
This contribution includes a description of seven experiments concerning density and floating objects (a section of videoconference of Czech, German and polish elementary school). The experiments show the temperature-density dependence in liquids, a model of underwater volcano, a model of a submarine, objects floating in saturated water etc.
- Raczkowska-Tomczak K., Trzebuniak A.: Similar but different, Fair 15, Praha 2010
This article describes twelve simple experiments in which two same or similar things show different behaviour. The description also includes the reasoning of the difference. The experiments involve electrostatics, optics, surface tension, the Archimedes Law etc.