Social Studies: Ghosts

A medieval ghost.

A ghost is the spirit  of a dead person who has unfinished business in the physical world. They are often considered to be a bad omen. Some people say ghosts often appear as a thick white fog in the shape of the person that died. People say ghosts haunt certain locations, Often the place they died. People try to stop ghosts from coming back by giving the person a proper burial. And performing funeral rights. Some people try to ward off ghosts by wearing special pendents and charms.

Wikipedia: Ghosts
Wikipedia: Necromancy
Wikipedia: Undead