Both Canadian teams are 2-0.
The event will qualify two teams for both the men and women from the Americas for the worlds set for this July in Barcelona, Spain.
In women's competition, Toronto's Emma Wright scored four goals as Canada hammered Venezuela 16-5. Joelle Bekhazi of Pointe-Claire, Que., added three, Katrina Monton of Dorval, Que., Carmen Eggens of Pitt Meadows, B.C., and Marina Radu of Pointe-Claire each scored twice with singles to Krystina Alogbo of Riviere-des-Prairies, Que., Hayley McKelvey of Delta, B.C., and Montreal's Joannie Morisseau.
Canada led 7-0 after a quarter and 11-1 at the half.
"We definitely got off to a good start which allowed us to work on certain aspects of our game," said head coach Guy Baker. "Our zone defence in particular is something we need to keep improving."
In the other women's match, Brazil dumped Argentina 14-6. Canada stands first in the standings with Brazil and Argentina 1-1 and Venezuela 0-2.
Calgary's Jared McElroy was the star for the Canadian men with four goals in an 11-3 victory over Argentina. Calgary's Oliver Vikalo, Montreal's Nicolas Constantin-Bicari and Justin Boyd of Beaconsfield, Que., added two apiece while Regina's Kevin Graham scored the other.
Canada led 2-0 after a quarter and 4-1 at the half.
"We definitely showed the experience we have now," said Canada's assistant coach Brian Parillo. "Despite the score it was still a hard fought game. It was very physical and we excelled tonight with a man down. The focus of our team has been really good so far."
In the other men's match, the United States toppled Brazil 14-2. The U.S. and Argentina are tied for second behind Canada at 1-1 and Brazil is 0-2.