| A | B |
|---|
| civilization | A culture with organized systems of government, religion, and learning. |
| Maya | A group of people who settled in Mexico about 3,000 years ago. |
| surplus | More food than what is needed to feed one's own family. |
| specialize | The word that means to do only one kind of job. |
| calendar | By studying the stars and the sky, the Maya were the first to develop one of these to help keep track of seasons. |
| zero | The Maya were the first to use this number. |
| pyramids | Buildings with three or more sides shaped like triangles that slant toward a point at the top. |
| writing | A system developed by the Mayans that allowed them to record their history and what they learned about math and science. |
| 900 | By this year, the Maya had deserted most of their cities. |
| Mexico, Central America | Descendants of the Maya still live in these areas today. |
