The Owls trailed by 11 with three minutes left but pulled to within 66-63 on a 3-pointer by Brittany Lewis with 32.3 seconds to go.
Hill then made two foul shots to increase the lead to five for Ohio State (2-0). Temple’s Shey Peddy made a 3, but Prahalis made a pair of free throws with 9.8 seconds left to close the scoring.
Kristen McCarthy led Temple (2-1) with 14 points.
Temple reeled off six quick points to open the second half to pull to within two, but the Buckeyes responded and had their biggest margin, 53-37, with 10:08 left.