How well do you know Halo 3?

Take this explosive, energising quiz to find out how well you know Halo 3.

1 What colour is the master cheifs armor?
2 Is there water on the map "high ground"?
3 Is there water on the map "vallhala"?
4 Spartan __________?
5 What colour is a plasma grenade?
6 What happens when you stand on a pile of fusion coils and throw a grenade on them?