Dictation w Listen and fill in the gaps. 6. The Sun is a 1) It is made of two gases, hydrogen and helium. The Sun is huge, but there are billions of stars just like it in our 2) , and some of them are much bigger! The 3) of the Sun is hot, but the middle is even hotter - it's about 15 million 4) Celsius in there! The Sun gives us 5) and light. Without it, there would be no life on Earth.