Make two lines of horizontal strips of masking tape each exactly one foot apart from the other. This is good in a standard size classroom. Divide into two teams, and have each person stand between one of the strips at the back of the room, with no gaps. Take turns asking each team a Bible question. If anyone answers correctly, they move to the front of the line, and anyone behind them moves up to fill the empty space. Continue in this manner until one team has moved to the front of the room. Variation: the person who answered the previous question correctly (the one in the front) cannot answer the next question. This helps even things out if one person is a Bible whiz.