this is called an own goal
Aldrin-trick
It's no called anything it will just be said that he got 6 goals
The Referee scores the game.
It is called "Cuppy" or "World Cup".
Mexico
Only if he scores a hat trick.
The Soccer Channel usually has a running ticker along the bottom of the screen which shows live scores. They are usually organized by league. Another option would be the soccer scores tab on any website that specializes in sports. They are usually organized the same way.
Hattrick
Anyone can, just the team who scores the most points!
The winning team
The referee keeps a record of the score, as do other officials. There is also a scoreboard at most venues. As scoring in soccer is low, it is not difficult to keep scores recorded accurately compared to other sports.
Soccer is called soccer in Canada as well.