Električni tok
Viri: https://www.youtube.com/watch?v=_ttqrec6oIo&feature=youtu.be https://eucbeniki.sio.si/fizika9/190/index8.htmlhttps://www.youtube.com/watch?v=owbkvDW7wAQhttps://www.ucimte.com/?q=ucbenik/1000099
Označeno: fizika 9
Temperatura, Skok
Vira slik: https://pixabay.com/photos/lighter-glow-fire-hot-heat-burn-71790/ https://pixabay.com/illustrations/thermometer-cold-hot-summer-winter-890779/
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