After a loss against Canada to open the tournament, the United States improved to.500 with a 6-3 win over Germany on Friday at the world junior hockey champion.
Jordan Harris, Zac Jones, Shane Pinto, Curtis Hall, Bobby Brink and Oliver Wahlstrom scored for the Americans, who lost 6-4 to Canada on Thursday.
Trevor Zegras included four assists for the Americans, who won silver at the last world juniors in Vancouver.
Oliver Okuliar and Robert Dzugan, with an empty-netter, also scored for Slovakia. Kazakhstan lost 5-3 to Switzerland on Thursday.
Maxim Musorov scored his third goal of the competition for Kazakhstan against Slovakia.
Slovakia outshot Kazakhstan 24-23.
Canada's winning ways continue at females's U-18
Canada enhanced to 2-0 at the world under-18 women's hockey champion with a 4-1 win over Finland on Friday.
Tied 1-1 after 2 periods, Canada broke it open with 3 goals in under 10 minutes in the 3rd.
Charli Kettyle scored the winner 6:53 into the 3rd prior to Maddi Wheeler and Emilie Lussier contributed to the lead.
Lindsay Bochna opened the scoring for Canada in the first.
Nelli Laitinen scored Finland's lone goal in the 2nd.
Goalie Kayle Osborne recorded the win for Canada, which outshot Finland 31-13.
Canada goes back to action on Sunday against the United States.