Na konci 4. ročníku jsme v přírodovědě dělali pokusy s nerostnými roztoky a krystalizací. Modrá skalice krystalizovala 2 měsíce a sůl kamenná 4 měsíce. Umíchali jsme nasycený roztok horké vody a soli a tento solný roztok čekal od jara do podzimu v kabinetě na polici. V září jsme našli krystaly různých rozměrů, které jsme se zájmem pozorovali. Sůl, jak je známo, vytváří krásné krystaly ve tvaru krychliček. Podívejte se na výsledek obou pokusů sami.
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