Dziecięca matematyka

W piątek 10.01 eksperymentowaliśmy i ustalaliśmy, które zmiany są odwracalne, a które nieodwracalne: zapalaliśmy i gasiliśmy świeczkę, przekłuwaliśmy balon, rozsypywaliśmy ścinki i sprzątaliśmy je, a także budowaliśmy wieżę z klocków i domek z patyczków, burzyliśmy nasze budowle i budowaliśmy od nowa.


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