Why do balls filled with different gases bounce the same height?

Subject: Why do balls filled with different gases bounce the same height?

Date: Sat Feb 3 11:57:28 2007
Posted by Christie
Grade level: 4-6 School: Eagle Creek Elementary
City: Indianapolis State/Province: IN Country: USA
Area of science: Physics
ID: 1170529048.Ph

Message:


We filled playground-type balls with approximately the same volume of He, O2, 
CO2, N2, and air.  We thought that the lighter molecular weight gas (He) would 
bounce higher.  Why did all the balls bounce the same height and weigh the 
same?

Re: Why do balls filled with different gases bounce the same height?

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