| A | B |
| glacier | thick sheets of ice |
| artifact | objects made by humans |
| archaeology | study of evidence left by early man |
| culture | entire way of life that a people has developed |
| adobe | sun-dried bricks |
| pueblo | villages |
| drought | long dry spell |
| Beringia | land bridge that joined Siberia,Asia to Alaska, North America |
| global warning | temperature rising around the world |
| Native Americans | descendants of the first people to reach the Americans thousands of years ago |
| Mound Builders | early people who built earthworks |
| Hohokams | early farming society in Southern Arizona |
| Anasazis | early farming society who built large, multistoried houses |
| Cliff dwellers | Anansazis sought protection in adobe villages along the faces of cliffs |