Stepen sitnjenja

Quiz
•
Science
•
9th Grade
•
Medium
Milena Jasovic
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Šta je cilj sitnjenja?
Smanjenje veličine komada neke materije
Povećanje veličine komada neke materije
oba
nijedno
2.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
Obeleži sve razloge iz kojih se vrši sitnjenje.
lakši prenos i utovar
oslobađanje od drugih materija
ubrzavanje fizičkih i hemijskih reakcija
ništa od navedenog
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da bi se izvršilo sitnjenje potrebno je utrošiti rad kojim će se savladati privlačne kohezione sile, koje drže povezane čestice materije.
da
ne
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da bi se obrazovale što sitnije čestice potrebno je izvršiti
veći rad
manji rad
5.
DRAW QUESTION
3 mins • 3 pts
Prikaži način sitnjenja udarom.

6.
DRAW QUESTION
3 mins • 5 pts
Prikaži način sitnjenja pritiskom.

7.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Odaberi sve načine kojima se može vršiti sitnjenje čvrstog i krtog materijala
pritisak
gnječenje
sečenje
udar
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