| A | B |
|---|
| continuity | to keep things the same |
| context | background |
| archeology | the study of objects to learn about past human life |
| artifacts | an object made by people |
| paleontology | the study of fossils to learn what the world was like long ago |
| anthropology | the study of human cultures and how they develop over time |
| fossils | plant and animal remains that have been preserved in the Earth's crust |
| decade | a period of 10 years |
| century | a period of 100 years |
| eras | a historical period |
| chronology | the order in which things happened |
| timeline | a tool for studying events over time |
| source | any written work or object that can be used to gather information |
| evidence | something that shows proof of truth |
| relevant | having significant connection to the issue or idea |
