What does Scout find in a knot-hole in one of the Radley oak trees? Why does Scout not immediately put the gum in her mouth? Explain Jem’s reaction to learning the source of the gum.

1) gum and Indian Head pennies

2) Scout's first reaction is to get the gum into her mouth as fast as she can, but then she thinks about where she found it and decides to take it home and test it first.

3) The Indian head pennies are inside of a velvet box. Jem thinks someone must have hid them to keep them safe, so he puts them aside. He figures he'll be able to find out who they belong to after school. starts.