| A | B |
| paleo | means ancient |
| Mound Builders | native Americans that used to build large earthen mounds |
| kames | small mounds of earth and gravel left by retreating glaciers |
| artifacts | things made by people and left behind |
| atlatl | a hooked spear thrower used by the Archaic people |
| effigy mounds | mounds built in the shape of animals |
| archaeologists | scientists who study how people lived long ago |
| primary source | sources made by people who lived at that time |
| secondary source | sources written, or made to show, something in the past |