September 2018 1 16 Report

zad 3 str.77 tajemnice przyrody czesc 2

temat:rozdzielanie mieszaniny

co badamy? czy mozna rozdzielic mieszanine piasku,trocin i soli ?

potrzebny sprzet...............................

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opis pzebiegu doswiadczenia .................................................

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obserwacje....................................

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wnioski........................................................

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