| A | B |
|---|
| Glacier | A huge sheet of ice |
| Ice Age | Perion when much of the Earth's water was frozen. |
| Civilization | sophisticated, complex culture |
| Specialize | To spend most of one's time doing one kind of job. |
| Irrigation | bringing water to dry land to produce crops |
| Time Line | Diagram for arranging events in order of time. |
| Decade | 10 years |
| B.C. | Before Christ |
| A.D. | After Death of Christ. |
| Valley of Mexico | Area where Aztec settled |
| Tenochtitlan | Aztec Capital |
| Empire | Large area of different people controlled by one government. |
| Warlike Civilization | Aztec |
| Slavery | Owning people to make them work. |
| Inca's land now | Chile and Peru |
| Inca'n farming method | Terraces |
| Maya and Olmec | Build mounds |
| Aztec and Inca expand their empires by | Conquering neighbors |
| Inca | roads, bridges, terraces, canals, gold/silver jewelry |
| Andes Mountains | West coast of S. America |
| Anasazi | Cliff Dwellers |
| Arizona, New Mexico, Colorado, Utah | 4 Corners where Anasazi lived |
| Cahokia mound builders | Mississippi River Valley |
| Olmec and Maya | Yucatan Peninsula of Mexico |
| Barter | Trade |
| Maya | Farmers, artists, scientists, mathematicians |
| Zero | Mayan invention |
| Calendar with 260 Days | Mayan Year |
| Hunter Gatherers | Followed their food and killed it or picked it. |
