No. If the team who would've gone on the power play scores before the "penalized" team touches the puck, the penalty is nullified. On the other end, as soon as the "penalized" team touches the puck, play is stopped and the penalized player is sent to the penalty box. Sometimes, however, play is stopped as soon as the penalty is committed. An example may be if a player slashes another and breaks his opponent's stick.
Ice erosion cannot be stopped.
It has to be stopped by the goalkeeper only.
Passing a stopped school bus carries a penalty of how many point
it's good because the person who does crime would be stopped by the death penalty. :)
He stopped eating.
If the team or player makes a penalty.
If it's a school bus, whenever the lights are flashing.
No. An illegal formation penalty does not stop play. The play is only negated if the defense accepts the penalty after the play is over.