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