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Welcome to the international educational site "Online Science Classroom" for school students! Here you can find bright interesting lessons in Physics, Mathematics, Biology, Ecology. Here you will also know about modern researches which are carried out in 2 world largest multidisciplinary centers: the Joint Institute for Nuclear Research (JINR, Russia) and Brookhaven National Laboratory (BNL, USA).


We hope that our lessons and quizzes will help you in school education! Our slogan is: “Say NO to boring lessons!”