So I have been abducted by aliens who want to know more about hockey, I guess this was bound to happen when I spend so much time around a Sith lord. 

So lets start with the basics of the game, wait no Blizznar! That's not food! That is what is called the puck it is made from vulcanised rubber (heh vulcan) this is what we use to play the game, you want to get the puck into the oppositions goal. The team that does this the most within 3 separate 20 minute periods is the winner. You get to have 6 players from your team on the ice at a time normally a goalie, two defenceman and 3 forwards. 

The goalie is the last line of defence and will try and stop this puck from going into the goal. Defencemen's jobs are keeping the opposing team's forwards away from their net and keeping the puck away from them as well. Forwards are the offensive players who will most often try and score goals or create opportunities to score them.