CrabKalash
Harmless
Posts: 1
Registered: 26-6-2006
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Chemistry demo
Hey guys i'm new here and you guys seem to know your stuff.
I'm going to a job inerview for a tech position at a high school and
I need to demonstrate an example of a chemical change and an example of a physical change.
I'd like for it to be more than just boiling some water if ya know what i mean  .
any help appreciated.
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neutrino
International Hazard
Posts: 1583
Registered: 20-8-2004
Location: USA
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Mood: oscillating
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Try this thread.
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![[*]](images/xpblue/default_icon.gif){kind=icon}
