The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Grundy County, Illinois. Grundy County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris. Grundy County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.
Sterling, Illinois. Sterling is a city in Whiteside County, Illinois, United States. The population was 15,370 at the 2010 census, down from 15,451 in 2000. Formerly nicknamed The Hardware Capital of the World, Sterling has long been associated with manufacturing and the steel industry.