Zrak je smjesa plinova
Zrak-5.r priroda

Quiz
•
Science
•
5th Grade
•
Medium
Manuela Papić
Used 23+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kisika i ugljikovog dioksida
kisika i dušika
kisika, dušika i ugljikovog monoksida
kisika, dušika i ugljikovog dioksida
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Odaberi pokus kojim smo dokazali prisutnost kisika u zraku
gorenje svijeće kada ju poklopimo čašicom
uranjanje okrenute šaše s maramicom u vodu
izdisanjem na predmetno staklace
zamućenje vapnene vode u tikvici
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U prostoriji najveća temperatura zraka bit će
u sredini prostorije
na tlu
pri stropu
svi su odgovori točni
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Gustoća zraka raste s (2 su odgovora točna)
smanjenjem temperature
povećanjem temperature
povećanjem tlaka
smanjenjam tlaka
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kretanje kroz zrak je lakše nego kroz vodu jer (2 su odgovora točna)
je zrak rjeđi
jer je zrak gušći
jer je otpor u zraku manji
jer je otpor u zraku veći
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što od navedenog nije prilagodba ptica za let
šuplje kosti
krila
perje
velika masa tijela
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Koja obilježja ima polarna lisica ? (2 su odgovora točna)
male uške
velike uške
debelo bijelo krzno sa slojem masti
tanko smeđe krzno
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