Unutarnja energija i toplina

Quiz
•
Physics
•
6th - 8th Grade
•
Hard
Antonija Grganić
Used 9+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oznaka za toplinu je:
Q
F
H
W
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Čestice zraka gibaju se na sljedeći način:
nasumično i slobodno
usmjereno prema van
titraju oko ravnotežnog položaja
usmjereno prema središtu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Molekule plina gibaju se nasumično i slobodno. Ispravna je tvrdnja:
Plin zauzima cijeli prostor.
Obujam plina je stalan.
Plin ima stalan oblik.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agregacijsko stanje u kojem se čestice gibaju, lako mijenjaju položaj, te poprimaju oblik posude u kojoj se nalaze nazivamo:
čvrsto
tekuće
plinovito
plazma
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Je li moguće u čašu napunjenu do vrha vodom dodati žlicu šećera, a da se voda ne prelije preko ruba čaše?
Ne
Da
Samo ako je šećer u prahu.
Moguće je samo ako je voda mlaka.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kada se samelje šećer, dobije se šećer u prahu. Što se dogodilo s masom, a što s volumenom?
Masa i volumen su ostali nepromijenjeni.
Masa i volumen su se smanjili.
Masa je ostala ista, a volumen se smanjio.
Masa je ostala ista, a volumen se povećao.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Osnovna mjerna jedinica za toplinu je:
Wat
Kelvin
Džul
Celzijev stupanj
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