Canada had little trouble disposing of the Czechs. The Canadians went into the first intermission holding a 1-0 lead and increased their advantage to 3-0 by the end of the second period. Canada would score twice more to open up a 5-0 lead before the Czech Republic scored its lone goal with 6:01 remaining.
Cirelli and Joseph didn't figure in any of Canada's five goals, but Cirelli was plus-1 in 17:36 time on ice, tops among Canadian forwards, and Joseph sent three shots at the Czech net in 12:19 of action.
Canada will face Finland in Sunday's gold medal game in Bratislava.
Palat and Rutta each had three shots for the Czechs. Rutta skated 19:30, second-highest time on ice for the Czech Republic.
Russia was undefeated at the World Championship heading into the semifinal round but will have to wait another year for gold following a 1-0 defeat to Finland.
The Russians had scored three or more goals in all eight of their contests heading into Saturday's semifinal but were shut out behind a superb effort by the Fins defense and goalie Kevin Lankinen, who stopped all 32 shots he faced.
Marko Anttila broke a 0-0 deadlock at 10:18 of the final period, putting a rebound opportunity five hole through Russian goalie Andrei Vasilevskiy (28-of-29 saves).
Bolts right wing Nikita Kucherov took a team-high six shots but was unable to find the back of the net. Kucherov skated 17:35, third-most time on ice among Russian forwards.
Mikhail Sergachev fired two shots in 15:12 at the Finland goal.
Russia will face the Czech Republic Sunday in the bronze medal game.
