| Term | Definition |
| grid | pattern of imaginary lines that circles the globe in east-west and north-south directions |
| latitude | the east-west lines on a grid |
| parallels | lines of latitude- they are always parallel |
| equator | an imaginary line that circles the globe half way between the North and South Poles |
| degrees | used to measure distance from the equator |
| minutes | 60 minutes are in 1 degree |
| longitude | the north-south lines on a grid |
| meridians | lines of longitude- they run through the Poles |
| prime meridian | imaginary line that runs through Greenwich, England=0 degrees longitude |
| hemispheres | the two halves of Earth that divide along the equator |
| continents | large landmasses- there are seven |
| island | a landmass completely surrounded by water, but smaller than a continent |