Hands-on science at Cedar Valley Elementary | Slideshow More than 90 projects were on display during the science fair in the gym on April 5. By Kris Hill • April 11, 2013 4:09 pm Sixth-grader Devin Reice adds a solution to one of the mountains in his ‘Active Volances of Washington’ project for the Cedar Valley Elementary Science Fair April 5. More than 90 projects were on display during the science fair in the gym. Reice’s project was one of the judges’ picks.