1. Chapter 2 The First Americans Vocabulary

2. Artifact
Object made by humans and used by archaeologists to learn about past human culture

3. Archaeology
Study of evidence left by early people in order to find out about past cultures

4. Glacier
Thick sheets of ice that covered the world over 10,000 years ago

5. Land-Bridge Theory
Scientific explanation for the arrival of the earliest Americans who traveled over the Beringian “land bridge”

6. Irrigation
A method to water crops by channeling water from rivers or streams

7. Surplus
Extra goods---more than is needed

8. Adobe
Sun-dried brick used to build homes called Pueblos 

9. Culture
Unique way of life that are shaped by a variety of factors overtime, how a group of people live

10. Culture Area
Region in which people share a similar way of life

11. Native American
Descendents of the first people to reach the Americas thousands of years ago

12. Tribe
A group of people that share common customs, languages or rituals

13. Clans
Groups of families that were related to one another, Iroquois lived in clans

14. Civilization
An advanced culture in which people have developed cities, science, and industries

15. Sachem
A tribal chief that was elected by women of the clan