FIRE!

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Offline hamza

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FIRE!
« on: 17/10/2007 14:44:09 »
Is the fire that i see on a above a matchstick or on woods, a form of plasma??

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Offline kdlynn

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FIRE!
« Reply #1 on: 17/10/2007 14:48:07 »
i could be wrong... but wouldn't that be classified as... fire?

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Offline hamza

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FIRE!
« Reply #2 on: 17/10/2007 14:56:12 »
Whats the difference between Fire and plasma.. Thats what i actually want to know,,

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Offline eric l

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FIRE!
« Reply #3 on: 17/10/2007 14:57:13 »
What you see above burning matches or wood is not plasma, but just glowing carbon particles.  When burning gas (like methane, propane or butane)you have fewer carbon particles because this gasses have more hydrogen in their molecules than the cellulose which is the main component of wood.
"Wonder is no wonder" (Simon Stevin 1548-1620)

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Offline kdlynn

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FIRE!
« Reply #4 on: 17/10/2007 14:57:21 »
oh i see. i don't know.... sorry

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Offline eric l

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FIRE!
« Reply #5 on: 17/10/2007 15:14:20 »
Plasma (http://en.wikipedia.org/wiki/Plasma_%28physics%29) is ionized gas.  Plasma is matter - or rather a state of matter.
Fire (http://en.wikipedia.org/wiki/Fire) is a phenomenon, related to a rapid oxydation process.
You can have plasma without an oxydation process - rocket exhaust gas may be the only case where such a process is important. 
There is one example of plasma known as "St. Elmo's fire" (http://en.wikipedia.org/wiki/St._Elmo%27s_fire) but that is not fire in the usual sense of the word.
"Wonder is no wonder" (Simon Stevin 1548-1620)

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Offline Soul Surfer

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FIRE!
« Reply #6 on: 17/10/2007 21:40:18 »
Yes the fire above a matchstick has some aspects of a plasma and conducts electricity because some of the atoms are ionised.
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