The Terps went on a 7-0 run in the second and third quarters, including a strike from goalie Logan McNaney.
The last time both sides faced each other, the Nittany Lions claimed a 13-10 victory — their first win over the Terps since 1924.
Eric Malever, Daniel Kelly and Jack Koras all notched a point in their Maryland debuts.
The Terps' have the No. 8 recruiting class in the country, per Inside Lacrosse.