| A | B |
|---|
| Century | 100-year time period |
| Decade | 10 year time period |
| Millennium | 1000-year time period |
| Africa | Where man first lived |
| Nomadic | moving from place to place without a permanent home |
| Neolithic Revolution | When man learned to farm |
| Clan | Family group |
| Primary Source | Document, Image, or Artifact |
| Secondary Source | Created after an event |
| Fossil | Remains of living things |
| Artifact | Man made object |
| Rivers | Location of early cities |
| Absolute Location | the exact spot on the planet where a place is located |
| Relative Location | a place is that is explained in relation to other places |
| Latitude | imaginary lines that run east and west; they are measured north or south of the equator |
| Longitude | imaginary lines that run north and south; they are measured east or west of the prime meridian |
| Coordinates | locations measured in degrees |
| Geography | the science of living and nonliving things on the earth and the way they affect one another |
| Hunter-gatherer | a person who lives by hunting wild animals and collecting edible plants |
| Adapt | to change or adjust to a new environment or different conditions |
| Domestication | the process of changing the growth of plants or behavior of animals to be useful for humans |
| Ice Age | a period in Earth’s history where temperatures fell worldwide and ice covered more of the surface |
| Agriculture | farming land to produce crops and raising livestock |
| Civilization | advanced society with cities, governments, and workers with specialized skills |
| Scarcity | limited resources |
| Communities | a group of people who live in the same area, have a common background, or share similar interests |
| Urbanization | rapid growth of cities |
| Natural Resources | something found in nature that is useful or necessary to humans |
| Artisans | Person with a skill |
| Ritual | a formal ceremony carried out in a special way |
| Myth | traditional stories |
| Metallurgy | the science that studies how metals work |
| Hieroglyphs | a form of writing that uses images for words |
