You will need to be able to locate all of the following locations on a map:
Arctic Circle, Antarctic Circle, Equator, International Dateline, North Pole, South Pole, Prime Meridian, Tropic of Cancer, Tropic of Capricorn, 66.6°N, 23.5°N, 0°, 23.5°S and 66.6°S
Click on the links below to access the maps.