| A | B |
| global grid | A pattern of crossed lines formed by lines of latitude and longitude. |
| Tropic of Cancer | Latitude line of 23.5 degrees N of the equator. |
| Tropic of Capricorn | Latitude 23.5 degrees S of the equator. |
| tropical zone | The zone between the Tropic of Cancer and the Tropic of Capricorn. |
| torrid zone | Another name for a tropical zone. |
| Arctic Circle | Latitude 66.5 degrees N above the equator. |
| Antarctic Circle | Latitude 66.5 S below the equator. |
| temperate zone | A zone between the Tropic of Cancer and the Arctic Circle, or between the Tropic of Capricorn and the Antarctic Circle. |
| frigid zone | A zone north of the Arctic Circle or below the Antarctic Circle. |
| polar zone | A frigid zone. |
| axis | An imaginary line through the center of the Earth connecting the poles. |
| relief map | A physical map that uses shading to indicate physical features. |
| distribution map | A map that shows the pattern of something spread out of an area. |
| population density | The number of people living per square mile of land. |
| map projection | A way of showing the spherical Earth on a flat surface. |
| distortion | An error on a map in showing size, shape, distance, or direction. |
| small-scale map | A map that shows a relatively large area, on which a one-inch measurement represents a relatively long distance. |
| large-scale map | A map that shows a relatively small area, on which a one-inch measurement represents a relatively short distance. |