If heat rises, and the higher you go in the sky (daytime), the closer you get to the Sun; then why do the highest mountain tops always have snow on them?
Monday, March 10, 2008
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5 comments:
Because heat is not matter, it isn’t correct to say it rises or falls. A better way to ask the question is: "Why do hot things (like hot air) rise above cold things (like cold air)?"
To answer this question, it is important to understand what heat is.
Heat is energy. When we say something is hot, we really are saying it has a lot of stored energy.
What does this energy do?
Matter is made up of incredibly small pieces called atoms and molecules. Atoms and molecules are always moving.
The more energy these atoms and molecules have, the faster they move. The faster they mover, the more space they take up.
If something is hot, it weighs the same as if it were cold, but it just takes up more space.
This leads us to the concept of density. Because hot air takes up more space than cold air, hot air has a smaller density.
Less dense hot air will "float" above the more dense cold air.
Really Rusty, did you have to google to get that answer? I was going to say global warming!
oooo....oooo.... Sunday School answer:
Job 37:6
For He says to the snow, ‘Fall on the earth’;Likewise to the gentle rain and the heavy rain of His strength.
Sooo, this doesn't explain why nsbr is not floating right now.
I was really just trying to be a smart-elect, (not smart). Because yes Valerie I did google that answer!
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