| A | B |
|---|
| archaeologist | a scientist who examines objects to learn about the human past |
| artisan | a worker who is especially skilled at crafting items by hand |
| civilization | a society with cities, a central government, job specialization and social classes |
| domesticate | to tame animals and breed them for human use |
| fertile | rich in substances plants need to grow well |
| geography | the study of Earth’s surface and the processes that shape it |
| history | the written and other recorded events of people |
| irrigation | supplying land with water through a network of canals |
| nomad | a person who has no settled home |
| prehistory | the period of time before writing was invented |
| social class | a group of people with similar backgrounds, incomes, and ways of living |
| oral traditions | stories passed down by word of mouth |
| Stone Age | a period of time during which early humans made lasting tools and weapons from stone |
| surplus | more of an item or product than is needed |
