SC fifth graders create roller coasters for science
[gtxvideo vid='akz5V5Nt' thumb='http://player.gtxcel.com/thumbs/akz5V5Nt.jpg' vtitle='StudentRollerCoasters'] COLUMBIA, SC (WOLO) - Students at Caughman Road Elementary School are learning about the science behind roller coasters. As a class project, fifth-grade students used what they learned about gravity and engineering to build working miniature…