• Question: how does helium make your voice sqeaky

    Asked by 688furk49 to Sarah on 17 Nov 2017.
    • Photo: Sarah Guerin

      Sarah Guerin answered on 17 Nov 2017:

      When you breath in Helium instead of Oxygen, it changes the speed of sound of your voice- sound travels at different speeds through different materials, and helium is lighter than air. If you inhaled a gas heavier than air, your voice would travel slowly through it and become deeper.

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