| A | B |
| civilizations | Highly developed socieites. |
| complex | Highly detailed systems for writing, counting, and tracking time. |
| The Olmec | Flourished between 1500 BC and 300 BC along the Gulf Coast of Mexico, Guatemala, and Honduras. |
| The Maya | Lived in rain forests of present-day Mexico, Guatemala, Honduras and Belize. |
| thocracy | Society ruled by religious leaders. |
| hieroglyphics | Uses symbols or pictures to represent things, ideas and sounds. |
| The Aztec | After fall of Maya, this group wandered into an island in Lake Texcoco today part of Mexico City. |
| linking | Connecting. |
| The Inca | Civilization that developed in the western highlands of South America. |
| Quechua | Inca language. |
| quipus | System of record keeping with strings of various lengths and colors. |
| terraces | Broad platforms into steep slopes. |
| archaeology | The study of ancient peoples. |
| artifacts | The tools, weapons, baskets & carvings of early peoples. |
| nomads | People who moved from placed to place. |
| migration | A movement of a large number of people nto a new homeland. |
| sources | Supplies. |
| maize | An early form of corn. |
| carbon dating | Scientists can measure the amound of radioactive carbon in a substance that was once alive. |
| estimate | Approximate number. |
| cultures | Ways of life. |
| Ice Age | About 100,000 to 12,000 years ago huge sheets of ice or glaciers formed and covered much of the Earth. |
| The Hohokam | Came from Mexico to present-day Arizona about 300 BC, experts in water collection. |
| channels | Trenches. |
| The Anasazi | Lived around 1AD to 1300 AD in an area of Utah, Colorado, Arizona & New Mexico. |
| pueblos | villages of sun-dried earth structures. |
| structure | Building |
| Mound Builders | Mounds that dot the landscape built around 1000 BC by many different peoples. |
| Cahokia | Biggest settlement of the Mound Builders in Illinois. |
| Inuit | People who settled in the lands around the Arctic Ocean. |
| federations | governments that link different groups |
| The Iroquoios | Lived near Canada in northern NYS, 5 nations. |
| clans | Groups of related families. |