| A | B |
| Cartographer | a mapmaker |
| Isthmus | a narrow strip of land that connects two larger land areas |
| Latitude | imaginary lines that run E to W and measure distances in degrees (0 degrees) |
| Longitude | imaginary lines that run N to S and measure distances in degrees (0 degrees) |
| Region | a large area that is different from areas around it. A region can be defined by a single feature or by several features |
| Strait | a narrow body of water that connects 2 larger bodies of water |
| Tributary | a smaller stream of water that leads from the main river |
| Physical features | the type of landforms, waterways, and vegetation in an environment |
| Archipelago | A group of islands |
| Climate | the general weather conditions averaged over a period of years in a region |
| Equator | an imaginary line of latitude that divides the globe N and S and determines the northern and southern hemispheres |
| Prime meridian | an imaginary line of longitude that divides the globe E and W and determines the eastern and western hemispheres |
| Hemispheres | the 4 halves of earth as divided by the Equator and the Prime Meridian |
| Basin | an area of land that empties into water |
| Cardinal directions | the primary directions known as north, south, east, and west |