
Energia
Flashcard
•
Other
•
8th Grade
•
Practice Problem
•
Hard
Anne-Marie Cetinoiu
FREE Resource
Student preview

17 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Ce exprimă energia într-un sistem fizic?
Back
Capacitatea unui sistem fizic de a efectua un lucru mecanic atunci când suferă o transformare dintr-o stare în altă stare.
2.
FLASHCARD QUESTION
Front
Care sunt tipurile de energie menționate?
Back
Mecanică, termică, chimică, electrică, radiantă, nucleară.
3.
FLASHCARD QUESTION
Front
Cum se clasifică sursele de energie după durata de exploatare și posibilitățile de refacere?
Back
Naturale/primare și artificiale/secundare.
4.
FLASHCARD QUESTION
Front
Ce este energia electrică?
Back
Se obține prin transformarea altor forme de energie cum sunt: chimică, solară, hidraulică, nucleară.
5.
FLASHCARD QUESTION
Front
Cum se obține energia termică?
Back
Prin conversia energiei chimice, mecanice, electrice, nucleare, solare.
6.
FLASHCARD QUESTION
Front
Care sunt sursele de energie convenționale?
Back
Combustibilii fosili (petrol, cărbune, gaze naturale), uraniul și apele curgătoare.
7.
FLASHCARD QUESTION
Front
Care sunt sursele de energie neconvenționale?
Back
Lumina soarelui, mareele, ape geotermale, vântul, biomasa.
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