| A | B |
| technology | the use of skills and tools to serve human needs |
| Old Stone Age | a period in history when stone tools were the most common technology used by humans |
| hunter-gatherer | a person in the OSA who met their needs by hunting animals and gathering plants |
| nomad | a person who travels in search of food and has no permanent home |
| timeline | a diagram that shows when events took place |
| circa | a Latin word, usually abbreviated "c" that means "about" or "around." |
| environment | the surroundings of a place |
| artifact | objects made by people in the past |
| CE | common era - the same time period as AD |
| AD | anno domini - the same time period as CE |
| BC | before Christianity - the same time period as BC |
| Paleolithic | the early phase of the Stone Age, lasting about 2.5 million years, when the earliest kind of stone tools were used. |
| traditional economy | a system where people trade to obtain their needed goods |
| archaeology | the study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains. |
| prehistory | the period of time before written records |
| Ice Ages | a time when glaciers covered much of the earth's surface |
| Lascaux | an area in France where cave paintings were discovered |