Sometimes when you heat soup in a sealed tupperware container the lid will

Subject: Sometimes when you heat soup in a sealed tupperware container the lid will

Date: Sun Nov 25 21:58:55 2001
Posted by Jessica
Grade level: 10-12 School: Ringgold High School
City: Monongahela State/Province: PA Country: USA
Area of science: Chemistry
ID: 1006743535.Ch

Message:


Sometimes when you heat soup in a sealed tupperware container the lid will
collapse as if it's being sucked down. But heat expands and if you let some of
the air out ( or in ) then the lid will bulge. Why does it collapse first when
the heat should cause it to bulge first?

Re: Sometimes when you heat soup in a sealed tupperware container the lid will

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