| Term | Definition |
| longitude | the seroes of imaginary lines, also calles meridian, that run north and soulth from one pole to the other |
| latitude | the series of imaginary lines, also called parallels, that circle the earth parallel to the equater |
| equater | an imaginary line that a circles the globe at its widest point ( halfway between the north and soulth poles dividing the earth into two halves called hemispheres |
| prime meridian | an imaginary line of longitude or meridian that runs from the north pole to the soulth pole through greenwich england |
| tropic of cancer | the line of latitutde that is 23.5 north of the equater |
| tropic of capricorn | the line of latitude that is 23.5 soulth of the equater |
| arctuc circle | the line of located at 66.5 north of the equater |
| antarctic circle | the line of latitude located at 66.5 soulth of the equater |