| A | B |
|---|
| Nomad | A person who moves from place to place in search of food. |
| Revolution | A rapid, or drastic change. |
| Paleolithic Age | Humans use stone tools, discover fire, and live as nomads. |
| Neolithic Revolution | People first learn to farm crops, and domesticate animals. |
| New Stone Age | After the Reolithic Revolution, people can now farm and still use stone tools. |
| Civilization | Identified by having a city, government, law and religion. |
| Migration | Mass movement from one place to another. |
| Evolution | To change physical characteristics through generations to survive in an environment. |
