Front

A hypothesis that has been tested with a significant amount of data

Back

theory

Front

sun dried bricks made of clay

Back

adobe

Front

A member of a group that has no permanent home, wandering from place to place in search of food and water

Back

nomad

Front

round bark covered shelters

Back

wigwam

Front

a person descended from a particular ancestor or group of ancestors

Back

descendent

Front

A person who looks for bones, tools, and artifacts from people who lived long ago to find out how people lived then

Back

archeologist

Front

is a term often used to describe a group of Native Americans who share a language and customs

Back

tribe

Front

adjust

Back

adapt

Front

A relative who lived in the past

Back

ancestor

Front

A large mass of moving ice and snow on land

Back

Glacier