
Základy energie
Flashcard
•
Science
•
7th - 8th Grade
•
Easy
Zoltán Lénárt
Used 1+ times
FREE Resource
Student preview

7 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Čo je energia?
Back
Energia je schopnosť vykonávať prácu alebo spôsobovať zmenu. Vďaka energii sa veci pohybujú, svietia, ohrievajú alebo menia svoj tvar.
2.
FLASHCARD QUESTION
Front
Kde sa nachádza energia?
Back
Energia je všade okolo nás – v jedle, vo vetre, vo vode, v elektrine aj v našom tele.
3.
FLASHCARD QUESTION
Front
Aké sú druhy energie?
Back
1. Mechanická energia - energia pohybu alebo polohy. 2. Tepelná energia - energia spojená s teplotou. 3. Elektrická energia - energia využívaná na svietenie a prácu spotrebičov. 4. Svetelná energia - energia vyžarovaná slnkom alebo žiarovkou. 5. Chemická energia - energia uložená v látkach. 6. Zvuková energia - energia vytváraná vibráciami.
4.
FLASHCARD QUESTION
Front
Ako sa premieňa energia?
Back
Energia sa nedá vytvoriť ani zničiť, ale môže sa premieňať z jednej formy na inú, napríklad elektrická energia sa mení na tepelnú.
5.
FLASHCARD QUESTION
Front
Aké sú obnoviteľné zdroje energie?
Back
Obnoviteľné zdroje sú slnko, vietor, voda, biomasa.
6.
FLASHCARD QUESTION
Front
Aké sú neobnoviteľné zdroje energie?
Back
Neobnoviteľné zdroje sú uhlie, ropa, zemný plyn.
7.
FLASHCARD QUESTION
Front
Prečo je energia dôležitá?
Back
Bez energie by sme nemohli svietiť, variť, cestovať ani komunikovať. Energia je základom moderného života.
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