More than 200 area students competed in 35 science-based challenges at the regional Science Olympiad at Penn State Behrend on March 6. Team members adjust the tension on a model trebuchet during the "Storm the Castle" event at the regional Science Olympiad at Penn State Behrend. "There is a lot that can go wrong," Zahraa Alamerie said. Credit: Penn State Behrend Expand A piece of wood breaks off a model bridge during a competition at the regional Science Olympiad at Penn State Behrend. Teams tested the strength of their bridges by pouring sand into a bucket that hung from the structures. Credit: Penn State Behrend Expand The regional Science Olympiad tested students' knowledge in 35 events, including "Storm the Castle," where students used model trebuchets to launch a rubber ball toward a bucket. Credit: Penn State Behrend Expand