| A | B |
|---|
| civilization | advanced state of human society in which a high level of culture, science, industry, and government has been reached |
| artisans | people trained in a particular type of work or craft |
| surplus | extra amount |
| specializations | skill in one type of work |
| irrigation | to supply an area with water to help crops grow |
| domestication | to train or adapt an animal or plant to live in a human environment and used by humans; tame |
| agriculture | planting seeds and raising crops; fancy word for farming |
| bipedal | using two feet for walking upright |
| ancestor | relative who lived in the past; people related to you a long time ago |
| hominid | early ancestor of humans |
| hunter-gatherer | people who hunt animals and gather plants for food |
| nomad | members of a group of people with no set home |
| migration | process of relocating to a new place |
| tool | handheld object modified to help a person accomplish a task |
| technology | things that people create to make their lives easier; advancements in knowledge, tools, and inventions to meet needs |
| secondary source | work produced about a historic event by someone not actually there; or analysis of historic event |
| primary source | document or artifact created by a person who saw the event happen |
| fossil | preserved remains of living things (it was alive) |
| artifact | an object made by people long ago |
| history | written or recorded events of people |
| prehistory | period of time before people developed a system of writing |
| archeologist | scientist who studies and examines objects to learn about past peoples and cultures |
| archeology | study of the past through the things left behind such as buildings, tools, pottery |
