Why do helium balloons fall faster in a hot room than in a cold room?

Subject: Why do helium balloons fall faster in a hot room than in a cold room?

Date: Mon Jan 18 16:00:57 1999
Posted by Grant Thomas
Grade level: 4-6
School: Stokes
City: Nashville State/Province: TN
Country: USA
Area of science: Physics
ID: 916696857.Ph

Message:


I have done an experiment testing latex and mylar helium balloons
in three different temperatures (36, 68 and 98 degrees).  They 
were observed over 48 hours.  I understand why the mylar stay up 
longer, but don't know why the temperature affects how long the 
ballons stay inflated.   Thank you.

Re: Why do helium balloons fall faster in a hot room than in a cold room?

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