Ice hockey, also known as “hockey,” is a team sport played on an ice rink surface. Each team’s goal is to send the puck (a vulcanized rubber disk) and score into the opposing goal. A match lasts three periods of 20 minutes each. When the puck is in play, the clock starts. The teams switch ends for the second, third, and fourth periods, as well as at the start of each extra session (play-offs only; same ends as the odd […]