Models of the Earth
| globe |
| oblate spheroid |
| map |
| lithosphere |
| crust |
| mantle |
| outer core |
| inner core |
| hydrosphere |
| biosphere |
| atmosphere |
| troposphere |
| stratosphere |
| ozone layer |
| mesosphere |
| thermospere |
| contour line |
| coordinate system |
| axis |
| latitude |
| parallel of latitude |
| equator |
| poles (North and South) |
| Polaris |
| longitude |
| meridian of longitude |
| prime meridian |
| rotation |
| day |
| revolution |
| year |
| time zones (standard time) |
| local (solar) time |
| topographic map |
| contour line |
| elevation |
| isoline |
| isotherm |
| isobar |
| hachure line |
| landform |
| profile |
| gradient |
| horizon |
