| A | B |
|---|
| technology | the use of skills and tools to meet practical needs |
| Old Stone Age | a period in time when stone tools were the most common technology used |
| hunter-gatherers | people who meet their needs by hunting and gathering plants |
| agriculture | the raising of crops and animals for human use (farming) |
| New Stone Age | During this time people still used stone tools but began experiementing with agriculture |
| domesticate | to train something to be useful to people |
| surplus | an extra supply of something |
| specialization | people training to do particular kinds of work |
| civilization | a culture that has developed systems of specialization, religion, learning, and government |
| trade | the exchange of goods |
| time line | a diagram that shows when things took place in a given period of time |
| circa | a Latin word for "about" or "around" (represented by the letter c, and seen before some dates on timelines) |
