Latitude and Longitude
Those Lines on Maps http://www.youtube.com/watch?v=cKT16DjHo_8
Longitude What is Longitude? Lines of Longitude run vertically. Lines of longitude are called meridians. Lines of longitude run east to west from the North Pole to the South Pole. The Prime Meridian is 0 degrees Longitude. The International Dateline is 180 degrees east and west! Lines of Longitude locate places East or West of the Prime Meridian.
Most Important Line of Longitude
Latitude What is Latitude? Lines of Latitude run horizontally Lines of latitude are called parallels Lines of latitude run north to south around the Earth. Latitude is measured in degrees. The Equator is 0 degrees Latitude. Lines of Latitude locate places North or South of the Equator.
Most Important Lines of Latitude