[{"question":"Kde sa spotrebuje najviac energie?","answers":["na pohon strojov","na pohon \u00e1ut","na v\u00fdrobu tepla","na pohon lietadiel"],"correct":"na v\u00fdrobu tepla","order":"1"},{"question":"Pre\u010do pri vypr\u00e1\u017ean\u00ed d\u00e1vame olej medzi dno panvice a pokrm?","answers":["Lebo olej vedie teplo ove\u013ea lep\u0161ie ako vzduch","Lebo panvica m\u00e1 rovn\u00fd povrch","Lebo pokrm sa na oleji prip\u00e1li","nie je to spr\u00e1vne"],"correct":"Lebo olej vedie teplo ove\u013ea lep\u0161ie ako vzduch","order":"2"},{"question":"Ako sa dosiahne ve\u013ek\u00fd povrch radi\u00e1tora?","answers":["m\u00e1 rovn\u00fd povrch","m\u00e1 ve\u013ea \u010dl\u00e1nkov - rebr\u00e1","urob\u00edme ve\u013ek\u00fd radi\u00e1tor","ned\u00e1 sa to"],"correct":"m\u00e1 ve\u013ea \u010dl\u00e1nkov - rebr\u00e1","order":"3"},{"question":"Dopl\u0148: \u010c\u00edm v\u00e4\u010d\u0161ou plochou teplo prech\u00e1dza, t\u00fdm ..........","answers":["je to lep\u0161ie","je chladnej\u0161ie","viac ho prejde","menej ho prejde"],"correct":"viac ho prejde","order":"4"},{"question":"Ako sa v kotle a bojlere r\u00fdchlo pren\u00e1\u0161a teplo?","answers":["cez miner\u00e1lnu pls\u0165","cez vzduchov\u00e9 kom\u00f4rky","cez pooh\u00fdnan\u00fa trubku s vodou","cez pooh\u00fdnan\u00fa trubku so vzduchom"],"correct":"cez pooh\u00fdnan\u00fa trubku s vodou","order":"5"},{"question":"Dopl\u0148: Ke\u010f sa vzduch neh\u00fdbe, teplo ............","answers":["kles\u00e1 nadol","sa vytv\u00e1ra","n\u00edm prech\u00e1dza ve\u013emi dobre","n\u00edm takmer neprech\u00e1dza"],"correct":"n\u00edm takmer neprech\u00e1dza","order":"6"},{"question":"Ak\u00e1 mus\u00ed by\u0165 tehla, aby dobre br\u00e1nila prechodu tepla?","answers":["m\u00e1 rovn\u00fd povrch","je ve\u013ek\u00e1","m\u00e1 vo vn\u00fatri vzduchov\u00e9 kom\u00f4rky","m\u00e1 vo vn\u00fatri jedenu ve\u013ek\u00fa dutinu"],"correct":"m\u00e1 vo vn\u00fatri vzduchov\u00e9 kom\u00f4rky","order":"7"},{"question":"\u010co nie je tepeln\u00fd izolant?","answers":["miner\u00e1lna pls\u0165","kov","perie","tehla"],"correct":"kov","order":"8"},{"question":"Pre\u010do perie dobre br\u00e1ni prechodu tepla?","answers":["obsahuje ve\u013ea vzduchu","je \u013eahk\u00e9","obsahuje v\u00e1kuum","m\u00e1 nerovn\u00fd povrch"],"correct":"obsahuje ve\u013ea vzduchu","order":"9"},{"question":"Pre\u010do by mala by\u0165 medzi dvoma sklami okna vzdialenos\u0165 okolo 1 cm, ak chceme aby dobre tepelne izolovalo?","answers":["nie je to pravda","nie je tam vzduch","vzduch m\u00f4\u017ee pr\u00fadi\u0165","vzduch nem\u00f4\u017ee pr\u00fadi\u0165"],"correct":"vzduch nem\u00f4\u017ee pr\u00fadi\u0165","order":"10"}]