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