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Helium is much less dense than air, so if you breathe in helium, it changes the timbre of your voice because the sounds made by our vocal chords travel through helium much faster, which creates a distortion in the way our voice sounds.

Why Does Helium Affect Your Voice? - Live Science

www.livescience.com/34163-helium-voice-squeaky.html

Aug 23, 2012 ... Now, here's how and why helium affects your voice. ... Helium changes the resonant frequencies of your vocal tract. ... This is because nitrogen and oxygen molecules that make up the bulk of air are much heavier than helium ...

Why Does Inhaling Helium Make Your Voice Sound Funny? | Mental ...

mentalfloss.com/article/21590/why-does-inhaling-helium-make-your-voice-sound-funny

Mar 20, 2014 ... When you inhale helium, you're changing the type of gas molecules in your vocal tract and increasing the speed of the sound of your voice.

Why Does Helium Change the Sound of Your Voice? | Wonderopolis

wonderopolis.org/wonder/why-does-helium-change-the-sound-of-your-voice

That's why helium is used in balloons to make them float. Due to its lower density, ... Some people think that the helium changes the pitch of your voice. In reality ...

Why does inhaling helium make one's voice sound strange ...

www.scientificamerican.com/article/why-does-inhaling-helium/

Jun 14, 2004 ... Why does inhaling helium make one's voice sound strange? 1 ... Sound waves are formed by the vibration of something (a drum-skin or your vocal ... Rather the timbre, or quality, of the sound changes in helium: listen closely ...

www.ask.com/youtube?q=Why Does Helium Make Your Voice Change?&v=v6z-ziQHa2E
Jan 6, 2011 ... When you breathe in helium, why does your voice sound squeaky and like a ... Why does Breathing Helium Change the Sound of Your Voice?

Why does inhaling helium change your voice? | Science Focus

www.sciencefocus.com/qa/why-does-inhaling-helium-change-your-voice

Oct 24, 2015 ... Helium is not the only gas to change the sound of your voice.

Why does helium change your voice? | Science Focus

www.sciencefocus.com/qa/why-does-helium-make-my-voice-higher

Mar 1, 2010 ... The surprising effect of helium is that it technically doesn't make your voice higher .

How Helium Works | Squeaky Voice | Effects & Dangers of Inhaling

www.kidzworld.com/article/505-did-donald-duck-inhale-helium

Everyone knows all you need to do is inhale some helium to sound like Donald ... Sounding like Donald Duck or the Chipmunks is enough to make anyone crack up. ... No one will disagree that helium changes your voice, but not everyone ...

Why does helium make your voice sound funny? | The Naked ...

www.thenakedscientists.com/articles/questions/why-does-helium-make-your-voice-sound-funny

Nov 12, 2006 ... The way your voice works is that your vocal chords vibrate and ... your vocal chords are making (by changing the shape of your mouth you can ...