| A | B |
| fossil | a part or imprint of something that was once alive |
| artifacts | objects created by and used by humans |
| history | the study of the past |
| culture | the knowledge, beliefs, customs, and values of a group of people |
| archaeology | the study of the past based on what people left behind |
| primary source | an account of an event created by someone who took part in or witnessed the event |
| secondary source | information gathered by someone who did not take part in or witness an event |
| geography | the study of the earth's physical and cultural features |
| landforms | the natural features of the land's surface |
| climate | the pattern of weather conditions in a certain area over a long period of time |
| environment | includes all the living and nonliving things that affect life in an area |
| region | an area with one or more features that make it different from surrounding areas |
| resources | materials found in the earth that people need and value |
| historians | people who study history |
| archaeologists | to learn about the past, they examine artifacts and the places where the artifacts were found |
| prehistory | the time before there was writing |
| ancestor | a relative who lived in the past |
| tool | any handheld object that has been modified to help a person accomplish a task |
| Paleolithic Era | the Old Stone Age |
| society | a community of people who share a common culture |
| hunter-gatherers | people who hunt animals and gather wild plants, seeds, fruits, and nuts to survive |
| migrate | to move |
| ice ages | a long period of time with freezing weather |
| land bridge | a strip of land connecting two continents |
| Mesolithic Era | Middle Stone Age |
| Neolithic Era | New Stone Age |
| domestication | the process of changing plants or animals to make them more useful to humans |
| agriculture | farming/producing your own food |
| megaliths | huge stones used as monuments |