From: utzoo!decvax!microsof!fluke!vax1:swifty Newsgroups: net.physics Title: Re: Ice in water Article-I.D.: vax1.297 Posted: Thu Apr 7 07:50:35 1983 Received: Fri Apr 8 04:54:32 1983 References: peri.201 amd70.1752 A couple of years ago I had an argument about this with another engineer (who happened to be a physics graduate). Not willing to accept the answer he spent hours (days?) calculating densities, weights and just about everything he could to try to prove that the level is not the same. I think he finally concluded that it wouldn't be the same because of trapped air in the ice. However, for perfect ice and perfect water the level will be the same. swifty