| A | B |
| Astrolabe | A navigational device which determines latitude |
| Plymouth | Pilgrims settled at this location. |
| Prince Henry | Started the first navigational school in Portugal |
| Bartolomeu Dias | Sailed around the southern tip of Africa |
| Vasco da Gama | First person to travel from Europe to India by sea |
| Mercantile Theory | The belief that money equals power |
| Christopher Columbus | Found America while seeking a western sea route to India |
| Amerigo Vespucci | Map maker who determined that Columbus had found a "New World". America is named after him |
| Line of Demarcation | A line that separated Portuguese claims from Spanish claims in the New World. Drawn by the Pope |
| Ferdinand Magellan | Led the first voyage around the world |
| Ponce de Leon | Explored Florida while seeking the fountain of youth |
| Hernan Cortes | A Conquistador who conquered the Aztecs. Brought guns, horses and European diseases with him to the New World |
| Conquistador | Someone who came to the New World to conquer, rather than trade |
| Francisco Pizarro | Conquered the Incas in Peru |
| Northwest Passage | The English, Dutch and French sought a new route to India. This would help them avoid Spain and Portugal |
| John Cabot | Began explorations for England in 1497 |
| Sea dogs | Pirates who claimed land for England. Caused problems for the Spanish |
| Jamestown | The first English colony in North America. Sought silver and gold |
| Caravel | A ship which was easier to steer, could move against the wind and carry more goods |