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Homeschool World Forum • making sugar crystal - physical or chemical change?
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making sugar crystal - physical or chemical change?

Posted: Mon Oct 15, 2007 7:44 am
by mom1967
we made sugar crystal last week. then this weekend, when I discuss with my son about physical and chemical changes, he asked me this question.

Crystalization is a physical chemistry. So is it physical change from a 8-yo point of view?

Posted: Mon Oct 15, 2007 3:23 pm
by Theodore

Posted: Sat Jan 23, 2010 9:04 am
by Sheepdog