Tuesday, March 22, 2011


Emma:  What is cold?
Carina:  Cold is when the temperature goes down.
Emma:  What is temperature?
Carina:  I knew you were going to ask that.  Well, temperature is how we measure whether it is cold or hot.
Emma:  But what is cold?
Carina:  Well, if you want to get technical, cold is when your molecules slow down.
Emma:  Oh.

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