<p>SHAWN GUST/Press Jake Calhoun, an 11th-grade student at Shadle Park High School in Spokane, reacts as his roller coaster is judged during Physics Day.</p>
May 17, 2012
Stories this photo appears in:
May 17, 2012 9:15 p.m.
The science and math of fun
Students study the physics of Silverwood
Before Wednesday, the thought of roller coasters triggered general premonitions of fun for Emily Moscrip: Calamitous drops, shriek-inducing turns, limbs buckled with preparation as screeching machinery swept her away from the Earth.