| A | B |
|---|
| Aleppo | Oldest city still inhabited |
| Jericho | Oldest city built |
| Nomads | People who move in search of food, water, and shelter |
| Africa | Humans first appeared here |
| Homo erectus | First human to walk upright |
| Archaeologists | People who study past cultures |
| Artifact | Human-made remains |
| Fossils | Remains of living things |
| Mesolithic Era | Ice age ended during this time period |
| Stone Henge | Archaeological site found in England |
| Olduvai Gorge | First evidence of stone tools found here |
| Mary and Louis Leaky | Archaeologists who first found evidence of stone tools |
| Cro-Magnon | Famous for cave paintings |
| Neanderthals | First humans to bury their dead |
| Paleolithic | The first humans appeared during this time period |
| Smelting | Removing metal from ore |
| Carbon Dating | Scientific means to determine ages of artifacts |
| Stone | First tools and weapons are made from these... |
| Agriculture | Farming |
| Catalhoyuk | Archaeological site still being excavated |
