TY - JOUR T1 - Smädný bocian a fyzika A1 - Onderová, Ľudmila JA - Obzory matematiky, fyziky a informatiky Y1 - 2001 VL - 30 IS - 1 SP - 39 EP - 43 SN - 1335-4981 N2 - There are many toys which are based on a certain physical phenomenon or law. In the paper the analysis of the physical principle of one of them – “thirsty stork” is presented. This toy can by used to demonstrate these physical phenomena and to encourage the interest of students in the taught topic. ER -