| vocabulary word |
definition |
example |
| adobe | a type of clay traditionally used as a building material by Native Americans and later Spanish colonists in the Southwest | The Hohokam made their homes from adobe, which helped them stay cool during the day and warm at night. |
| archaeologist | a scientist who looks for and studies artifacts | Archaeologists have found remains that show people may have reached the tip of South America. |
| civilization | a culture that has developed complex systems of government, education, and religion. Civilizations usually have large populations with many people living in cities. | The Maya civilization created a calendar. |
| glacier | a large mass of ice | The ship was damaged after it ran into a glacier. |
| irrigation | a method of supplying dry land with water through a series of ditches and pipes | Farmers use irrigation to water their crops. |
Ch.18 LTI-MA 509
