| contour interval | amount of feet per jump |
| hydrosphere | the liquid portion of the earth |
| international date line | other side of prime maridian |
| isotherm | lines that connect equal points of temperature |
| longitude | lines that start at the prime meridian (east and west) |
| model | representation of some other object |
| solar time | the same as sun dial time |
| zenith | point directly above the horizon |
Drag corresponding items onto each other to make them disappear.
Start Game