Relier Pairs Imaginary linesVersion en ligne Imaginary lines par Luz Álvarez Herrero 1 They go from the North Pole to the South Pole 2 When we are measuring in degrees North or South we are measuring... 3 It divides the Earth into two hemispheres 4 It begins on 21 June in the Northern Hemisphere 5 When we are measuring in degrees West or East we are measuring... 6 It begins on 21 March in the Northern Hemisphere 7 It begins on 21 June in the Southern Hemisphere 8 The Earth takes 24 hours to make this movement. It causes day and night 9 The Earth takes 365 days and 6 hours to make this movement. It causes the seasons 10 It is the most important meridian. It is meridian 0º Greenwich Meridian Meridians EQUATOR REVOLUTION LATITUDE SPRING WINTER SUMMER LONGITUDE ROTATION