Munster High School students Chris Chyung (left) and Chris Markovich set up their mousetrap vehicle in Indiana University's Alumni Hall during the 2010 Indiana State Science Olympiad.
Bloomington South's Zachary Bretch (left) and Ian Carrico prepare their mousetrap device for competition.
Judges time the mousetrap vehicle of Chesterton High School.
Kokomo High School's Thomas Jiang (left) and Prajin Srivastav prepare their rocket for the Egg-o-naut event.
Egg-o-naut participants prepare their experiments with IU's Memorial Stadium as a backdrop.
The Kokomo team watches its egg-carrying rocket blast off.