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