This is the third unit in a series that introduces population concepts into the eighth grade American history curriculum. (See SO 013 782 for an overview to the guide.) In Episode III, the history topic is the late colonial periods. Unit objectives are to (1) examine the effects of different lifestyles on population changes in America and England; (2) scrutinize the effects of the availability of resources on population changes in England; (3) survey the effects of social sanctions and marriage patterns in England and the American colonies on population increase and family size; (4) examine the effect of marriage customs and laws and the effect of different family sizes on population growth; and (5) evaluate student learning and reinforce conceptual understanding of population growth. Activities include having students read and discuss primary source materials about settlement in Kentucky, simulate a move to a new planet, determine arithmetically how different family sizes effect population growth, and play a game which reinforces the concept of population growth. (NE)