making sugar crystal - physical or chemical change?
Posted: Mon Oct 15, 2007 7:44 am
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?
Crystalization is a physical chemistry. So is it physical change from a 8-yo point of view?