When she hears her classmates saying mean things about her father, because he's defending a black man, she defends him. She doesn't see the wrong in what her father is doing and when she asks Atticus what her classmates meant, Atticus explains to her that what he is doing is not really a bad thing, but that some people see it that way. This shows her innocence as she is too young to understand prejudice and injustice and Atticus tries to preserve her innocence by raising her to believe that there is nothing wrong with defending a black man.
Scouts innocence is also seen through her dialogue. When Scout talks to Dill about where babies come from, Dill tells Scout that you must “order a baby from a special man who rows across from an island.” Scout then tells him that it’s a lie and her Aunty told her “God drops 'em down the chimney.” Scouts innocence, naivety and has a lack of knowledge on “grown-up” ideas is clearly shown. Scout is too young to know or to be told about where babies really come from and so her aunt had to make up a story to explain to Scout where they come