Magneti
Quiz
•
Physical Ed
•
2nd Grade
•
Hard

Corfus Maria
Used 47+ times
FREE Resource
Student preview

10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnetii sunt corpuri care atrag alte corpuri confectionate din:
lemn
aluminiu
plastic
fier
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Magnetii, dupa forma lor se impart in:
naturali si artificiali
bara, disc, ac magnetic
permanenti si temporari
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dupa modul de obtinere, magnetii pot fi:
naturali si artificiali
bara, disc, ac magnetic
permanenti si temporari
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un magnet are:
3 poli
4 poli
2 poli
1 pol
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Polii unui magnet, N si S, se pot afla:
suspendand magnetul de o sfoara
presarand pilitura de fier deasupra lor
apropiind magnetul de un corp din fier
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atractia magnetica se manifesta cel mai puternic :
la mijlocul magnetului
la polii magnetului
la doar unul dintre polii magnetului
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cu ajutorul unui ac magnetic putem stabili daca o bara de otel este magnetizata?
Nu putem, deoarece - oricum am aseza acul magnetic- acesta interactioneza cu bara de fier
Da, asezand acul magnetic pe rand, la capetele barei si observand modul cum ineractioneaza
Nu putem, mai avem nevoie de inca un ac magnetic, pentru a le aseza la cele doua capete
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