odnawialne żródła energii:
https://www.youtube.com/watch?v=SE7FzUFKUwY&ab_channel=ToDoMedia
prąd z ziemniaka:
https://www.youtube.com/watch?v=2lSGD9njwf4
https://www.youtube.com/watch?v=GBEwEcLxCOE
https://www.youtube.com/watch?v=WWRJRbuYzGE
https://www.youtube.com/watch?v=uBP7XEc1ck4
energia wiatru
https://www.youtube.com/watch?v=DVlf-HwdyTU&ab_channel=CoolScienceExperimentsHeadquarters
https://www.youtube.com/watch?v=hB8Wv_iHrd8&ab_channel=MonkeySee
prąd
https://www.youtube.com/watch?v=LmpLrMs44VQ
ile potrzeba energii by zasilić całą planetę (TEDed)