| A | B |
|---|
| artifacts | ancient tools and other objects made by people |
| prehistory | time before people kept written records |
| Old Stone Age | Plaeolithic Age |
| New Stone Age | Neolithic Age |
| culture | unique way of life |
| carbon 14 | used in dating artifacts |
| Homo Sapiens | thinking man |
| Neanderthals | died out |
| Cro-Magnons | had all the characteristics of modern humans |
| namads | people who wander from place to place |
| achievements of the Paleolithic Age | tools, fire and language |
| achievements of the Neolithic Age | plows spinning and weaving |
| rituals | ceremonies |
| copper | probably the first metal used |
| bronze | replaced the first metal used because it made sharper tools |
| birthplaces of civilization | river valleys |
| Mesopotamia | began by the Tigris and Euphrates |
| Egypt | began along the Nile |
| China | began along the Yellow River |
| India | began on the Indus River |
| irrigation | method of bringing water to crops |
| government | began because planning, leadership and cooperation was needed |
| theocracy | civilization where the ruler is a god or chosen representative of a god |
| division of labor | specialized occupations |
| system of writing | developed to keep records |
