Carmel Middle School physics teacher Ron Bush works with students on a mechanical advantage problem Tuesday, January 29, 2013. Photo by MARK REIS/The Gazette
Carmel Middle School seventh graders Mikala Bliahu, right, and Ashley Davis work together Tuesday, Jan. 29, 2013, in Ron Bush's physics class. Students were using a bicycle to study effort distance and resistance distance. Photo by MARK REIS/The Gazette