[{"question":"Do n\u00e1doby d\u00e1me vodu, med a olej. Ktor\u00e1 kvapalina vytvor\u00ed vrstvu na povrchu?","answers":["voda","olej","med","ned\u00e1 sa to urobi\u0165"],"correct":"olej","order":"1"},{"question":"Pod\u013ea \u010doho sa usporiadaj\u00fa kvapaliny v n\u00e1dobe do vrstiev?","answers":["pod\u013ea farby","pod\u013ea toho, ako sa prelievaj\u00fa","pod\u013ea hustoty","v porad\u00ed, v akom ich nalievame"],"correct":"pod\u013ea hustoty","order":"2"},{"question":"Med m\u00e1 hustotu 1417 kg\/m3<\/sup>, sapon\u00e1t 1027 kg\/m3<\/sup>, mlieko 1030 kg\/m3<\/sup>. Ktor\u00e1 kvapalina vytvor\u00ed v n\u00e1dobe vrstvu v strede?","answers":["mlieko","med","sapon\u00e1t","ned\u00e1 sa to urobi\u0165"],"correct":"mlieko","order":"3"},{"question":"V ktorej kvapaline sa ponor\u00ed plastov\u00fd uz\u00e1ver z PET f\u013ea\u0161e hustoty 935 kg\/m3<\/sup>?","answers":["voda hustoty 998 kg\/m3<\/sup>","sapon\u00e1t hustoty 1027 kg\/m3<\/sup>","mlieko hustoty 1030 kg\/m3<\/sup>","olej hustoty 920 kg\/m3<\/sup>"],"correct":"olej hustoty 920 kg\/m3<\/sup>","order":"4"},{"question":"Na akej kvapaline ostane pl\u00e1va\u0165 pevn\u00e1 l\u00e1tka?","answers":["na kvapaline s v\u00e4\u010d\u0161ou hustotou","na kvapaline s rovnakou hustotou","pevn\u00e1 l\u00e1tka sa v\u017edy potop\u00ed","na kvapaline s men\u0161ou hustotou"],"correct":"na kvapaline s v\u00e4\u010d\u0161ou hustotou","order":"5"},{"question":"Drevo pl\u00e1va na vode. \u010co m\u00e1 v\u00e4\u010d\u0161iu hustotu?","answers":["drevo","ned\u00e1 sa to ur\u010di\u0165","voda","nie je to pravda"],"correct":"voda","order":"6"},{"question":"L\u00e1tky, ktor\u00e9 tvoria na\u0161u Zem, s\u00fa usporiadan\u00e9 do vrstiev atmosf\u00e9ra, rieky a moria a vn\u00fatro zeme. Pod\u013ea \u010doho sa usporiadali?","answers":["pod\u013ea farby","pod\u013ea objemu","pod\u013ea d\u013a\u017eky","pod\u013ea hustoty"],"correct":"pod\u013ea hustoty","order":"7"},{"question":"Pe\u010do mas\u0165 pl\u00e1va na hladine polievky?","answers":["Lebo m\u00e1 v\u00e4\u010d\u0161iu hustotu.","Lebo m\u00e1 men\u0161iu hustotu.","Nie je to pravda.","Lebo m\u00e1 rovnak\u00fa hustotu."],"correct":"Lebo m\u00e1 men\u0161iu hustotu.","order":"8"},{"question":"Pre\u010do zemsk\u00fa k\u00f4ru na povrchu Zeme tvor\u00ed hlavne \u017eula a zemsk\u00e9 jadro vo vn\u00fatri Zeme hlavne \u017eelezo?","answers":["Lebo \u017eelezo m\u00e1 v\u00e4\u010d\u0161iu hustotu ako \u017eula.","Lebo \u017eula m\u00e1 v\u00e4\u010d\u0161iu hustotu ako \u017eelezo.","Nie je to pravda.","\u017dula a \u017eelezo maj\u00fa rovnak\u00fa hustotu a pri vzniku zeme sa tak usporiadali."],"correct":"Lebo \u017eelezo m\u00e1 v\u00e4\u010d\u0161iu hustotu ako \u017eula.","order":"9"},{"question":"Plyny maj\u00fa v\u00e4\u010d\u0161iu hustotu ako kvapaliny. Ak\u00fa vrstvu preto vytvorili plyny na Zemi?","answers":["atmosf\u00e9ru","nie je to pravda","jadro","pl\u00e1\u0161\u0165"],"correct":"nie je to pravda","order":"10"}]