1. Imaginary Lines on a Map

2. Equator
An imaginary line that runs around the center of Earth halfway between the North and South Poles at 0° latitude
Separates the Earth into Northern and Southern Hemispheres

3. Prime Meridian
An imaginary line that runs from the North Pole to the South Pole or Earth at 0° longitude
Separates the Earth into Eastern and Western Hemispheres

4. Hemisphere
Half of the Earth

5. Latitude
Imaginary lines that are parallel to the equator (go from east to west)
They measure distance north or south of the equator

6. Longitude
Imaginary lines that travel from the North Pole to the South Pole
They measure distance east and west of the Prime Meridian