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[postlink]
http://science-video.blogspot.com/2011/05/seven-layer-density-cool-science.html[/postlink]
http://www.youtube.com/watch?v=fE2KQzLUVA4endofvid[starttext]Everyone knows that vegetable oil and water dont mix. Thats because the
two liquids have different densities. Density is basically how much
stuff is smashed into a particular area or a comparison between an
objects mass and volume. So, the exact same volume of two liquids may
actually have different masses, so they would have different densities.
Thats why vegetable oil floats on top of water.[endtext]
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