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