I would like to know about freezing things, and how and why they change.

Subject: I would like to know about freezing things, and how and why they change.

Date: Wed Feb 27 14:57:20 2002
Posted by Sarina
Grade level: 7-9 School: PJDS
City: Philadelphia State/Province: PA Country: US
Area of science: Chemistry
ID: 1014839840.Ch

Message:


At home in my freezer I freeze many things, but when de-frosted they all 
return to normal.  Is there anything, that when freezed does not return to 
the original substance?   If things are frozen does the density change?  
Does anything not freeze, for instance- metal, does it really freeze, or just 
get cold. How does freezing happen?

Re: I would like to know about freezing things, and how and why they change.

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