It was the Terps' second dominant performance of the tournament.
The Terps were outshot 8-5 but never trailed the Hawkeyes.
The Terps have five players with national team experience.
Huskies forward Charlotte Veitner has scored 22 goals in 17 games.
The No. 6 Terps earned their fourth consecutive win.
The Terps struggled against Iowa and Northwestern last weekend.
Midfielder Linnea Gonzales led the Terps with two goals.
The Terps allowed a 67th minute goal.
The Terps won their penultimate Big Ten game of the regular season, heading into a showdown with No. 6 Penn State.