| A | B |
|---|
| Absolute chronology | the order of events by date |
| Absolute location | a physical location of a place |
| Age distribution | the structure of a population according to age |
| Bias | a preference that prevents fair judgement |
| Century | a period of 100 years |
| Climate | general weather pattern of a place over time |
| Decade | a period of 10 years |
| Diversity | a variety, a mixture |
| Era | a period of time noted for its events, people, or other characteristics |
| Growth rate | speed at which a population grows |
| Immigrate | to permanently move to a new country |
| Landform | a natural feature of the land |
| Primary source | a document or object written or created during the time or event |
| Relative chronology | the order of events in relation to other events |
| Rural | of or about the countryside |
| Secondary source | a document or object that analyzes a primary source |
| Relative location | location of a place in relationship to other places or features |
| Urban | of or about the city |
