{"id":253,"date":"2019-10-02T10:58:46","date_gmt":"2019-10-02T08:58:46","guid":{"rendered":"http:\/\/www.zsvltava.cz\/fyzika\/?p=253"},"modified":"2025-01-09T09:58:27","modified_gmt":"2025-01-09T08:58:27","slug":"2-premiovy-ukol-pro-6-r","status":"publish","type":"post","link":"https:\/\/www.zsvltava.cz\/fyzika\/?p=253","title":{"rendered":"Skupenstv\u00ed l\u00e1tek"},"content":{"rendered":"

Skupenstv\u00ed l\u00e1tky ozna\u010duje, jak pevn\u00e9 jsou vazby mezi \u010d\u00e1sticemi jen\u017e tvo\u0159\u00ed l\u00e1tku.<\/strong><\/p>\n

L\u00e1tky vyskytuj\u00ed ve 4 r\u016fzn\u00fdch z\u00e1kladn\u00edch skupenstv\u00edch:<\/p>\n

– PEVN\u00c9<\/strong> – mezi \u010d\u00e1sticemi panuj\u00ed velmi pevn\u00e9 vazby.
\n– KAPALN\u00c9<\/strong> – \u010d\u00e1stice maj\u00ed mezi sebou slab\u00e9 vazby
\n– PLYNN\u00c9<\/strong> – \u010d\u00e1stice se pohybuj\u00ed voln\u011b, nejsou spojeny silou
\n– PLAZMA<\/strong> – zvl\u00e1\u0161tn\u00ed seskupen\u00ed, kdy mezi sebou \u010d\u00e1stice intenzivn\u011b reaguj\u00ed (ohe\u0148)<\/p>\n

L\u00e1tka se m\u016f\u017ee v jeden okam\u017eik vyskytovat ve v\u00edce skupenstv\u00edch. Pokud nap\u0159\u00edklad n\u011bjakou v\u011bc c\u00edt\u00edme nosem, znamen\u00e1 to, \u017ee se vyskytuje v plynn\u00e9m skupenstv\u00ed. P\u0159esto\u017ee tak na prvn\u00ed pohled v\u016fbec nevypad\u00e1.<\/p>\n

Skupenstv\u00ed l\u00e1tek – interaktivn\u00ed model<\/h2>\n
\"States<\/p>\n
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Click to Run<\/td>\n<\/tr>\n<\/table>\n

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Tuhnut\u00ed vody<\/h2>\n

N\u00e1sleduj\u00edc\u00ed video zachycuje, co se odehr\u00e1v\u00e1 mezi molekulami vody, kdy\u017e voda p\u0159ech\u00e1z\u00ed z kapaln\u00e9ho skupenstv\u00ed do pevn\u00e9ho.<\/p>\n