Imaginary Lines on a Map

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

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

Hemisphere Half of the Earth

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

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