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Kratki znanstveni poizkusi
Kratki znanstveni poizkusi
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Kratki znanstveni poizkusi
Film je posnet z mobilnim telefonom. V filmu pa sta prikazana dva zanimiva znanstvena poizkusa. Prvi poizkus prikazuje kako lahko z reakcijo med kisom in sodo bikarbono ali natrijevim hidrogenkarbonatom (NaHCO3) kjer nastane ogljikov dioksid (CO2) s katerim lahko ugasnemo plamene svečk, ker je težji od zraka. Drugi poizkus tudi prikazuje kako ugasniti svečko ne da bi jo upihnili ali se je dotaknili. Vendar pri tem poizkusu svečka ugasne zaradi porabe kisika ne pa zaradi ogljikovega dioksida kot je bilo v prvem poizkus.
Channel: VideoLectures
Category: Educational
Video Length: 0
Date Found: March 28, 2011
Date Produced: March 28, 2011
View Count: 2
 
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