| A | B |
| prehistory | long period of time before people developed systems of writing |
| archaeology | the study of ways of life of early people through things they left behind |
| arcaheologist | one who carefully uncovers evidence from the past |
| artifact | object made by people long ago |
| migrate | to move from one area to another |
| glacier | huge ice sheet covering a stretch of land |
| technology | way in which humans produce the items they use |
| domesticate | to tame wild animals and plants |
| harvest | to gather |
| excavation site | place where archaeologists dig up artifacts |
| agriculture | the raising of plants and animals |
| surplus | extra food |
| nomad | person who travels from place to place |
| social division | formed when work was divided up among villagers |
| climate | average weather conditions over time |
| carbon dating | method used to estimate age after something dies |
| culture | the technology, customs, beliefs, and art of a people |
| landform | surface feature such as a valley or hill |
| geography | the study of the relationship between physical features, climate, and people |
| diverse | different |