Do bigger bubbles or smaller bubbles last longer?
A Primary Grade Unit Study Unit studies can be built entirely around the questions inspired by a particular topic. Bubbles is a good example. Spend time blowing bubbles with your children asking what they wonder about bubbles. The questions that pour out can be the basis for a week or two spend exploring bubbles. Bubbles is also a great primary unit study because there are a number of beginning reader books with bubble themes. Language arts, science, math, and art are all easily tied into this study. A Few Bubble Questions • Why are bubbles round? This has to do with the surface tension of the liquid in the bubble. The atoms in your bubbles solution all prefer to stick together. Because of that the inside surface of the bubble and the outside surface of the bubble are both trying to stay close to the thin film of solution that makes the bubble. When you make a bubble the air inside the bubble is pushing out on the bubble equally in all directions. That’s why the bubble is round. The bu
