1. Locating places
Do you know the 7 continents and 5 oceans?
Take this world quiz on continents and oceans: http://www.lizardpoint.com/fun/geoquiz/worldquiz.html
Using latitudes and longitudes.
Latitudes are imaginary horizontal line around the globe. Latitude 0° is the equator which separates the earth into 2 equal parts – the Northern and Southern Hemispheres. The values increase towards the north and south of the Equator such that it is 90°N at the North Pole and 90°S at the South Pole.
Longitudes are imaginary vertical lines from the North Pole to the South Pole. Longitude 0° is known as the Prime Meridian or Greenwich Meridian.
Latitude and Longitude can help one locate a place e.g. Singapore is located at 1°N and 103°E