Energia iseloomustab keha võimet teha...
Energia

Quiz
•
Physics
•
7th Grade
•
Medium
Merle Kairit
Used 42+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tööd
võimsust
jõudu
rõhku
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energia tähis on ...
A
F
E
N
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energia ja töö mõõtühik on...
1 džaul (1J)
1 njuuton (1N)
1 pascal (1Pa)
1 meeter (1m)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Millised väited (2) energia kohta on õiged?
Inimene saab eluks vajaliku energia liikumisest.
Taimed muundavad valgusenergia keemiliseks energiaks.
Organismi energia hulk jääb alati samaks.
Loomad salvestavad energiat keharasvas.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nafta on energiarikas, sest...
selles sisaldub surnud organismide keemiline energia.
lagundajad lagundasid surnud organismid.
nafta tekkis liivast suure kuumuse ja rõhu toimel.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline valem sobib potentsiaalse energia arvutamiseks?
Ep = mg
Ep = mh
Ep = mgh
Ep = vgh
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Millised väited (2) potentsiaalse energia kohta on õiged?
Potentsiaalne energia on seda suurem, mida suurem on keha mass.
Potentsiaalne energia on seda väiksem, mida suurem on keha kõrgus maapinnast.
Potentsiaalne energia on seda suurem, mida väiksem on kehale mõjuv raskusjõud.
Potentsiaalne energia on seda väiksem, mida lähemal asub keha maapinnale.
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