[{"question":"Ako \u013eudia uchov\u00e1vali potraviny v minulosti, ke\u010f neboli chladni\u010dky?","answers":["v kom\u00edne","neusklad\u0148ovali ni\u010d","v jam\u00e1ch s \u013eadom","v\u017edy boli chladni\u010dky"],"correct":"v jam\u00e1ch s \u013eadom","order":"1"},{"question":"Pre\u010do z truhlovej mrazni\u010dky (otv\u00e1ra sa zhora) r\u00fdchlo nevyte\u010die studen\u00fd vzduch, ke\u010f ju otvor\u00edme?","answers":["Lebo studen\u00fd vzduch sa dr\u017e\u00ed dolu.","Lebo studen\u00fd vzduch st\u00fapa nahor.","Br\u00e1ni mu v tom tepl\u00fd vzduch v okol\u00ed.","Nie je to pravda."],"correct":"Lebo studen\u00fd vzduch sa dr\u017e\u00ed dolu.","order":"2"},{"question":"Pre\u010do c\u00edtime chlad, ke\u010f f\u00fakame na mokr\u00fa ruku?","answers":["Nie je to pravda.","Voda pri odparovani odober\u00e1 teplo ruke.","Voda pri odparovan\u00ed dod\u00e1va chlad ruke.","Ned\u00e1 sa to vysvetli\u0165."],"correct":"Voda pri odparovani odober\u00e1 teplo ruke.","order":"3"},{"question":"Ako chladni\u010dka chlad\u00ed ?","answers":["Kvapalina kondenzuje, a tak dod\u00e1va teplo do vn\u00fatra chladni\u010dky.","Kvapalina pri odparovan\u00ed dod\u00e1va teplo do vn\u00fatra chladni\u010dky.","Kvapalina pri odparovan\u00ed odober\u00e1 teplo z vn\u00fatra chladni\u010dky.","Kvapalina kondenzuje, a tak odober\u00e1 teplo z vn\u00fatra chladni\u010dky."],"correct":"Kvapalina pri odparovan\u00ed odober\u00e1 teplo z vn\u00fatra chladni\u010dky.","order":"4"},{"question":"Ako sa vzniknut\u00e1 para v chladiacom zariaden\u00ed chladni\u010dky zmen\u00ed op\u00e4\u0165 na kvapalinu?","answers":["zohriat\u00edm teplou vodou v kompresore","ochladen\u00edm studenou vodou v kompresore","zv\u00e4\u010d\u0161en\u00edm objemu v kompresore","stla\u010den\u00edm v kompresore"],"correct":"stla\u010den\u00edm v kompresore","order":"5"},{"question":"Pre\u010do chladni\u010dka ohrieva miestnos\u0165, v ktorej je?","answers":["Teplo, ktor\u00e9 kvapalina odobrala z vn\u00fatra chladni\u010dky, odovzd\u00e1va do okolia.","Teplo, ktor\u00e9 kvapalina dodala do vn\u00fatra chladni\u010dky, odober\u00e1 z okolia.","Nie je to pravda.","Chladni\u010dka sa zahrieva od prech\u00e1dzaj\u00faceho pr\u00fadu."],"correct":"Teplo, ktor\u00e9 kvapalina odobrala z vn\u00fatra chladni\u010dky, odovzd\u00e1va do okolia.","order":"6"},{"question":"Pre\u010do nemus\u00edme pri varen\u00ed mie\u0161a\u0165 riedku polievku?","answers":["Lebo veden\u00edm sa teplo r\u00fdchlo \u0161\u00edri vo vode.","Lebo tepl\u00e1 voda st\u00fapa z dna nahor, a t\u00fdm sa sama mie\u0161a.","Nie je to pravda.","Lebo studen\u00e1 voda st\u00fapa z dna nahor, a t\u00fdm sa sama mie\u0161a."],"correct":"Lebo tepl\u00e1 voda st\u00fapa z dna nahor, a t\u00fdm sa sama mie\u0161a.","order":"7"},{"question":"Pre\u010do mus\u00edme mie\u0161a\u0165 pri varen\u00ed ka\u0161u, aby neprihorela?","answers":["Lebo teplo sa od dna ne\u0161\u00edri v\u00f4bec.","Aby sa teplo od dna \u0161\u00edrilo pr\u00faden\u00edm.","Aby sa teplo od dna ne\u0161\u00edrilo pr\u00faden\u00edm.","Lebo teplo sa od dna \u0161\u00edri veden\u00edm ve\u013emi r\u00fdchlo"],"correct":"Aby sa teplo od dna \u0161\u00edrilo pr\u00faden\u00edm.","order":"8"},{"question":"Pre\u010do voda pri pe\u010den\u00ed v r\u00fare zabr\u00e1ni prip\u00e1leniu m\u00e4sa?","answers":["Lebo voda sa nem\u00f4\u017ee odparova\u0165.","Lebo voda sa odparuje a tak dod\u00e1va teplo do okolia.","Nie je to pravda.","Lebo voda sa odparuje a tak odober\u00e1 teplo z okolia."],"correct":"Lebo voda sa odparuje a tak odober\u00e1 teplo z okolia.","order":"9"},{"question":"Na skri\u0148ovej mrazni\u010dke (otv\u00e1ra sa zboku) a\u017e tak nevad\u00ed, ak netesnia dvierka, pre\u010do?","answers":["Nie je to pravda.","Lebo studen\u00fd vzduch sa dr\u017e\u00ed dolu.","Lebo studen\u00fd vzduch st\u00fapa hore.","Lebo studen\u00fd vzduch neunik\u00e1."],"correct":"Nie je to pravda.","order":"10"}]