Know that population density can be calculated in several different ways. Know that the migration of people has had a major effect on people's histories and their relationships with other groups of people. Know that a theory is made up of a set of definitions, assumptions, and propositions integrated into a meaningful whole and is a proposed explanation for some aspect of reality. Learn to deduce an hypothesis from a theory and apply it to a particular situation. Learn to devise a theory that better corresponds to current reality.
Core material appears in bold type on the pages that follow.
This material should be seen as an opportunity to individualize instruction for students with different levels of intellectual ability and motivation. Teachers may also choose to substitute locally developed material in optional areas where it is appropriate. Such material should reflect community interests and must also meet the skills, values, and concept objectives of the course.