| A | B |
| Saga | Stories told by Vikings about their great deeds |
| Isthmus | Narrow strip of land that connects two larger pieces of land |
| Expedition | Journey made for a special purpose |
| Navigation | Science of determining a ship's direction and location |
| Missionaries | People who teach their religion to others with different beliefs; first Spanish colonists in America |
| Vikings | First people to sail to Iceland around AD 800 |
| Juan Ponce de Leon | Explored Florida |
| Spanish conquistadors | Hunted for gold and claimed lands for Spain |
| Reason Vikings left home in Scandinavia | Land was too steep to farm |
| Prince Henry of Portugal | Started a school of navigation |
| Francisco Pizarro | Conquered Incan Empire |
| Francisco Coronado | Explored southwestern part of present day U.S. |
| Marco Polo | Journeyed over land to China and brought back spices |
| Hernado de Soto | Spanish explorer who searched for Seven Cities of Gold |
| Purpose for sailing across Atlantic Ocean | To reach Japan and China |
| Magellan's voyage | Proved that the earth was round |
| Bartholomeu Dias | First European to sail around the southern tip of Africa |
| Leif Ericson | Viking who was the first to explore American soil |
| Cape | Pointed piece of coastline that juts into the sea |
| Vasco da Gama | Found the sea route to Asia around Africa |
| Amerigo Vespucci | Italian sea captain from whom America got its name |
| Four | Number of trips made by Columbus to the new world |
| Compass | Instrument with a magnetic needle that always points north when held level |
| North Star | Star directly above Earth's North Pole |