| Term | Definition |
| Silt | A fertile mixture of tiny bits of soil and rock. |
| Delta | Very fertile, flat land made of silt left behind as a river drains into a larger body of water. |
| Irrigation | The watering of land by means of canals or pipes. |
| Unification | The joining of separate parts into one. |
| Pharaoh | The ruler of Egypt. |
| Hieroglyphics | Ancient Egypt's system of writing made up of picture signs. |
| Scribe | A professional writer who kept records and copied letters and official documents. |
| Papyrus | A reed plant used to make paper. |
| Inundation | Yearly flooding of the Nile River |
| Monarchy | A government ruled by a king or a queen. |
| Polytheism | The belief in many gods. |