Students in an eighth-grade engineering class at Pleasantville Middle School constructed roller coasters using marbles, paper, popsicle sticks, tape and their critical-thinking skills. The young ...

Add Yahoo as a preferred source to see more of our stories on Google. When she was in seventh grade, Rogers State University junior Olivia Graham fell in love with science and math on a field trip.

Thrill seekers and amusement park lovers may live for the high-octane rush of launch roller coasters but most probably never consider how they actually work. Some would probably make the mistake of ...