Tom Gjerstad, Belgrade-Brooten-Elrosa, and Cathy Christiand, a teacher at Buffalo Lake-Hector-Stewart, partially shown, conduct an experiment to determine how the weight and height of a dropped object affect gravitational and potential energy.
About 350 teachers from eight area districts participated Monday in an in-service event at Atwater-Cosmos-Grove City High School in Grove City.
Technology in the classroom was the theme. Topics of sessions ranged from web design and online lesson planning to the use of technology in such classes as art, social studies, physics and physical education.
