Matching Pairs Planet Earth IntroOnline version Introduccion de características del planeta. Movimientos del planeta y situación de las estaciones anuales. by Estibaliz Martinez 1 It is summer in the Northern hemisphere when... 2 The rotation of the Earth is ... 3 The seasons are the result of... 4 The revolution of the Earth is... 5 It is spring or autumn when... 6 It is winter in the Northern hemisphere when... the Sun´s rays fall on the Equator. the Sun´s rays fall on the Northern hemisphere. the Sun´s rays fall on the Southern hemisphere. its movement around its own axis. the tilt of the Earth and its orbit round the Sun. its elliptical orbit around the Sun.