| A | B |
|---|
| Ice Age | a time long ago in earth's past when the oceans' water levels were low becasue so much of earth's water was frozen into glaciers |
| prehistory | before history was written |
| glaciers | huge masses of ice |
| archaeologists | scientists who study artifacts |
| artifacts | objects from the past--like tools and art--that help us to study past peoples |
| anthropologists | scientists who study how groups of people live or have lived in the past |
| culture | the way of life of a people |
| nomads | people who move from place to place |
| bands | groups of people who travel with each other |
| adapt | change to better live in an environment |
| atlatl | a spearthrower |
| agriculture | raising plants or animals for food |
