| Term | Definition |
| latitude | a measure of how far north or south a place is from the equator |
| parallels | another name for lines of latitude |
| degrees | used to measure distances and show locations on Earth's surface |
| longitude | imaginary lines that run between the North and South pole |
| prime meridian | the starting place for measuring lines of longitude, it is marked zero degrees on maps |
| meridian | another name for line of longitude |
| equator | the latitude line at zero degrees which divides the Earth into the northern and southern hemispheres |