Therefore, the newly graduated college students should have an empty cup mentality, which is the zero mentality. Some people may say, I don't have such a mindset, what to do? Then hurry up and adjust it. It's important to have an empty cup (zero) mentality. Because a college student does not have a good job search mentality, employers will not hire you; Even if you are lucky enough to be hired, there are biases in your work. We now want the milk to move somewhat. To do this the colour changing milk science experiment will demand some washing up liquid or 'dish soap'. Get a cotton wool pad and dip it on to the soap - don't put to much soap onto it, you do not need the swab to get dripping in soap. Carefully dab the cotton wool ball into among the food coloring's inside the soap and retain the swab there. Bang! Watch the colour explode outwards in concentric circles - very pretty.