Unit 1 Geography
Concept: 1.1 World/Hemispheres Lesson Essential Question: How is Earth divided on a map?
There are 195 countries in the world today. * http://www.worldatlas.com/nations.htm
Earth’s Divisions Earth is divided into four hemispheres East and West; North and South
Earth’s Divisions Latitude: parallel lines running east to west Longitude: parallel lines running north to south Prime Meridian: 0° longitude Goes through Greenwich, England Equator: 0° latitude that divides Earth in half north and south Mechanicsburg, PA 40.2142565 N , 77.0085876 W