Matching Pairs UNIVERSE DEFINITIONSOnline version Match the words and the definitions by FRANCIS FERNANDEZ ESTARLICH 1 2 Day and night 3 The Big Bang theory 4 Seasons and the length of the day 5 Eclipse of the Sun 6 7 8 An Astronomical Unit (AU) 9 Eclipse of the Moon 10 Light Year low tide They are consequences of the Earth´s revolution It is an average distance between the Earth and the Sun Is the distance which light travels in a year. rotation It happens when the Earth is positioned between the Sun and the Moon and stops the Moon from reflecting light from the Sun. revolution They are consequences of the Earth´s rotation It happens when the Moon is positioned between the Sun and the Earth. It explains the creation of the Universe and its expansion