| A | B |
| psychology | study of the mind and the body and how they work together |
| sociology | the study of people's behavior in groups |
| history | study of the past - events and people of the past |
| economics | the study of money, resources and how people use them |
| political science | power, politics and government |
| anthropology | the study of past and present cultures and civilizations |
| geography | the study of the earth's surface |
| cause and effect | a relationship between events. some events cause others to occur |
| chronology | events in the order in which they happen |
| primary evidence | first hand accounts and artifacts |
| secondary evidence | evidence that comes from books or accounts from people who did not witness the event. |