Penalty (ice hockey)
Overview
 
A penalty in ice hockey
Ice hockey
Ice hockey, often referred to as hockey, is a team sport played on ice, in which skaters use wooden or composite sticks to shoot a hard rubber puck into their opponent's net. The game is played between two teams of six players each. Five members of each team skate up and down the ice trying to take...

 is a punishment
Punishment
Punishment is the authoritative imposition of something negative or unpleasant on a person or animal in response to behavior deemed wrong by an individual or group....

 for inappropriate behavior
Behavior
Behavior or behaviour refers to the actions and mannerisms made by organisms, systems, or artificial entities in conjunction with its environment, which includes the other systems or organisms around as well as the physical environment...

. Most penalties are enforced by detaining the offending player within a penalty box
Penalty box
The penalty box is the area in ice hockey, rugby league, rugby union and some other sports where a player sits to serve the time of a given penalty, for an offense not severe enough to merit outright expulsion from the contest...

 for a set number of minutes, during which, the player can not participate in play. The offending team usually may not replace the player on the ice, leaving them short handed as opposed to full strength. The opposing team is said to be on a power play
Power play (sport)
"Power play" is a sporting term used in various games.*In ice hockey, a team is said to be on a power play when at least one opposing player is serving a penalty, and the team has a numerical advantage on the ice...

, having one player more on the ice than the short-handed team.
 
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