| A | B |
|---|
| agriculture | farming |
| archaeologist | scientist who studies remains of humans |
| artifact | object made by humans |
| domesticate | to tame something wild |
| history | study of the past based on the written word |
| hominid | early human |
| Neolthic period | New Stone Age |
| Neolithic Revolution | invention of agriculture |
| nomad | person who moves in search of food |
| Paleolithic period | Old Stone Age |
| prehistory | all events that took place before the invention of the written word |
| Anthropologist | examine artifacts at archaeological digs in order to understand earlier people’s cultural behavior |
| culture | people’s unique way of life, as shown by tools, customs, arts and ideas |
| Paleontologist | scientist who studies fossils |
| Mary Leakey | Archeologists that found prehistoric footprints in East Africa made by human-like beings |
| Technology | the ways in which people apply knowledge, tools, and inventions to meet their needs |
| Hunter-gatherer | a member of a nomadic group whose food supply depends on hunting animals and collecting plant food |
| Ocean | a large body of saltwater that covers 75% of the surface of the Earth |
| Sea | a large body of saltwater that is surrounded in whole or in part by land |
| River | a large natural flow of water that crosses an area of land and goes to an ocean, sea, lake, etc. |
| Desert | a hot and dry area of land with little rain or vegetation |
| Mountain | a large landform that stretches above the surrounding land |
| Plain | a broad area of flat land |
