The Go-Around Dollar

Every dollar travels from person to person in a different way. Matt finds a dollar on his way home from school and uses it to buy shoelaces from Eric. Eric spends the dollar on bubble gum at the corner store. Jennifer, who happens to be the next customer, receives the dollar as part of her change.
A dollar bill is something we all see and use every day of our lives. But do we know how it's made? The meaning of the symbols that are shown on the front and back of the dollar? How long the aver...