Students Kelsey Terry and Alex Cerullo in Yardville Elementary School teacher Theresa McFadden's class in Hamilton Township on Monday, January 27, 2014. McFadden has taken a quot;constructivistquot; approach to teaching and learning, finding ways to teach her Kindergarten class about gravity, friction and opposing forces and teaching them to draw plans and build structures in order to solve physics problems. Martin Griff / The Times of Trentonbr/.br/br/br/br/br/br/br/lt;div class=quot;inline-sidebarquot; style=quot;border: 1px solid rgb(205, 200, 177); padding: 10px; line-height: 16px; width: 350 px; font-family: Verdana,Arial,sans-serif; margin-bottom: 10px; float: none; margin-left: 0px; font-size: 12px;quot;gt;lt;biggt;lt;stronggt;To purchase prints of this photo, visit lt;a href=quot;http://timesoftrenton.zenfolio.com/p456599930/quot;gt;TimesofTrenton.zenfolio.comlt;/agt;lt;/stronggt;lt;/biggt;lt;/divgt;br/