| A | B |
|---|
| circa | about or around |
| time line | a diagram that shows when things took place in a given period of time |
| technology | the use of skills and tools to meet practical needs |
| Old Stone Age | the period of human prehistory that lasted until about 12,000 years about, duriong which stone tools were common |
| Hunter-gatherer | a person of the Old Stome Age who met needs by hunting animals and gathering plants |
| B.C.E | Before the Common Era |
| C.E. | Common Era (1 A.D.) |
| New Stone Age | the period of human prehistory that lasted from 12,000 years ago to about 6,000 years ago, during which people still depended mainly on stone tools and began experimenting with agriculture |
| Neolithic Age | New Stone Age |
| domesticate | train something to be useful |
| surplus | extra supply of something |
| specialization | training to do a particular kind of work |
| civilization | a culture that has developed systems of specialization, religion, learning and government |
| trade | the exchange of goods |
| agriculture | the raising of crops and animals for human use |
| Paleolithic Age | Old Stone Age |
| Mesolithic Age | Middle to New Stone Age |
