| A | B |
| agriculture | farming, or growing plants |
| civilization | a group of people living together who have systems of government, religion, and culture |
| glacier | a huge, thick sheet of slowly moving ice |
| migration | a movement from one region to another |
| pueblo | the Spanish word for town; a type of home built of adobe |
| clan | a group of related families |
| potlatch | a large feast that could last for several days held by Northwest Indians |
| surplus | extra; having more than what is needed |
| ceremony | an event at which people gather to express important beliefs |
| irrigation | a way of supplying water to crops with streams, ditches, or pipes |
| staple | a main crop used for food; a main food eaten most often |
| lodge | a type of home that Plains Indians made using bark, earth, and grass |
| nomad | a person who moves around and does not live in one place |
| travois | equipment similar to a sled that was made from two long poles and usually pulled by a dog |
| barter | to exchange goods without using money; to exchange goods for good without the use of money |
| confederation | a type of government in which separate groups of people join together, but local leaders still make many decisions for their group |
| longhouse | a large house made out of wood poles and covered with bark |
| wampum | pieces of carefully shaped and cut seashell made into strings or belts |