MadSci Network: Physics

Subject: Why does blowing hot stuff make it cooler?

Date: Tue Oct 6 00:14:54 1998
Posted by Amy
Grade level: 7-9
School: No school entered.
City: Auckland State/Province: No state entered.
Country: NZ
Area of science: Physics
ID: 907650894.Ph

also, why is it exactly, that if the area hot water is exposed to air 
is bigger, than it cools more quickly?  eg. a bigger circumference of 
a cup rim.. .. allows water to cool quicker? 
thanks a lot!

Re: Why does blowing hot stuff make it cooler?

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