Here's what to do Fill two wide cups about 2/3 full of hot tap water Quickly place a tall clear plastic cup over each of the cups Place a piece of ice on the top of one of the cups and wait about 2Without disturbing the container The food coloring will remain with the meltwater as it flows off of the ice cube Cold fresh water is denser than the fresh water in the cup, but it is less dense than the salty brine in the other cup The melt water in the fresh water cup isWhy does a cube of ice float in a cup of water?
How To Make Ice Sugar Spun Run