Family in Waynesboro, Pennsylvania. The median age is 36.7. The US median is 37.2. 52.15% of people in Waynesboro, Pennsylvania, are married. 10.77% are divorced. The average household size is 2.35 people. 24.92% of people are married, with children. 21.16% have children, but are single.
Microorganisms for Kids. Microorganisms, also called microbes, are extremely tiny organisms that can only be seen under a microscope. Microorganisms are one of the most diverse organisms and they include bacteria, fungi, archaea, protists, green algae, plankton and amoeba.
Children who swim are exposed to a host of pathogenic germs, and babies in particular tend to swallow the water theyâre swimming in. Also, water that is too cold is not good for babies, Gilchrist says. âYou have to watch out for hypothermia.â. Class size and level of supervision also is important.