Saturday, May 15, 2010

Why heat rises

Bubby,5, asked me a question the other day that I had trouble answering. I know the answer, but how do I explain it so he will understand. I asked Hubby for help and as usual he came up with the perfect answer.

Bubby's question: Why does heat rise?

Hubby's answer: Imagine we have a whole bunch of grown ups over to our house. They are all downstairs standing around talking. There are so many that it is hard to move around. Now, imagine that you and your friends get bored and want to run around, but there is no room to run. What can you do?

Bubby: Go upstairs?

Hubby: Exactly! Heat rises because the cold air is in the way so the hot air moves up.

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