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