1. 6 th grade

2.  Belonging to a certain place; native

3.  Mass movement of humans or animals

4.  Beringia- land “bridge” once connecting Asia and North America

5.  Plants and trees

6.  dry

7.  Treeless plain with permanently frozen soil

8.  Referring to the time before 1492

9.  A highly developed society with government, laws, division of labor and writing, etc.

10.  Way of life

11.  Mesoamerican civilization that lived in southern Mexico and northern Central America; known for written language, mathematics and astronomical systems

12.  Mesoamerican ethnic group of central Mexico who spoke the Nahuatl language

13.  Largest empire in Pre-Columbian America; extended throughout the western coast of South America