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?

Question

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?

bobpursley · Answer

is it possible the hot water is heating the tray, and moving heat moves the dye?

Kenyodda Mckenzie · Answer

HOW hot or cold something is