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