Difference between revisions of "Helium inhalation"

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(Created page with "__NOTOC__ Back to 3D - Wave motion<br> PIRA index: 3B30.50 ==Description== The inhalation of helium causes the demonstrator's voice to become high pitch...")
 
 
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Back to [[3B_-_Wave_motion|3D - Wave motion]]<br>
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Back to [[3B_-_Wave_motion|3B - Wave motion]]<br>
 
PIRA index: 3B30.50
 
PIRA index: 3B30.50
  

Latest revision as of 17:23, 29 July 2015


Back to 3B - Wave motion
PIRA index: 3B30.50

Description

The inhalation of helium causes the demonstrator's voice to become high pitched due to the molecular mass of helium compared to air.

Equipment

  • helium gas (balloon)
  • willing participant

Instructions

Have the participant inhale the balloon full of helium. Their voice will become higher pitched due to helium having a lower molecular mass than air.

Keywords

helium, high-pitch, voice

Images & Movies