| A | B |
| Stone Age | First period of prehistoric culture from about 2 million years ago to around 3,000 B.C.E. |
| Paleolithic Age | First period of the Stone Age, called Old Stone Age, from about 2 million years ago to around 8,000 B.C.E. |
| Neolithic Age | The later part of the Stone Age, called the New Stone Age, from 8,000 to 3,000 B.C.E. |
| Domesticate | To train a wild animal to be useful to humans |
| Agriculture | The business of farming (two important parts are livestock and growing) |
| Trade | The business of buying and selling or exchanging goods |
| Ore | A mineral mined for its valuable uses (used for tools) |
| Hematite | A red ore that is classified as a beauty product (used as red lipstick and blush) |