Pages tagged helium:

YouTube - Mythbusters - Fun With Gas

Adam explains why helium makes your voice sound higher... with examples, of course.
This video would be a fun start to a discussion of gas and density in chemistry. It could also be used when doing sound waves in physics.
VOice changing with helium and sulphur hexaflouride
Mythbusters - Fun With Gas. New episodes air Wednesdays @ 9PM ET only on the Discovery Channel! Get more video at Adam demonstrates how (and explains why) helium turns you into Donald Duck, and sulfur hexafluoride into Satan. From: DiscoveryNetworks. Views: 1201339. 5581 ratings. Time: 00:39. More in. Entertainment.