It's a simple experiment that is fun for all ages. Here's what you need: 1) A large plastic or glass jar 2) One cup of water at room temperature 3) 1/4 cup vegetable oil 4) Salt (rock salt works best) ...

Can't see the video? Download an mp4 [2.2 MB] version of this video. Make some coloured ice cubes with water and a little food dye (take a really close look when your cubes are frozen and notice ...