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