I do not know what happens to students when they move up to Middle School grades. This has been one of the big mysteries that my colleagues and I are always trying to understand: Their brains really play tricks on their retentive skills. It seems that it does not matter how many times you teach and review biblical genealogy, students are always going to be confused of the family lines.
So, in once again, art comes to the rescue. I thought that if students could create any sort of artistic media related to the subject learned in class, they will claim ownership of it and therefore it will be harder to forget about it. I was right, it really works! check for yourself: