text: Then it help kids that have zero friends make new ones. Next say you move on the first day you don't know anybody, a school activity help you know new kids. After the school year is over the kids will have something to do over the summer, because they know all of these kid from school activities. Next it will help kid from getting fat the more kids play sport the least likely kids will be leaving school fat. Many school sport teams are small, because there are kid that are good playing the sport but they are scared that they will get made fun of.