Homework Help: science

Posted by Laura on Tuesday, October 7, 2008 at 8:55pm.

You have a plastic tray with cold water in it and then you have three cups holding it up and one cup has hot water in it. You put dye in the cold water on top of the hot water. Why does the dye move away from the hot water?

science - bobpursley, Tuesday, October 7, 2008 at 9:15pm
is it possible the hot water is heating the tray, and moving heat moves the dye?

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