Someone who keeps moving from place to place in search of food

A group of Native Americans living and working together

To change the way you do something

An act or series of acts performed in a certain way especially as part of a social or religious event

Giving one thing in exchange for another; this can be done with or without money

A member of the first groups of people living in North America

Anything made or used by humans

Trading one thing for another without using money

A scientist who tries to understand what people of the past were like and how they lived

Solid structures built by some Native American tribe using clay or dirt

Something that is found in nature and can be used by people