Strongest Shape

종이로 여러가지 모양을 만들어 어떤 모양이 가장 강한 모양인지 알아본다. paper                       1. Make 4 shapes - a tent, a triangle, a box and a cylinder. Each shape should be                          made out of one piece of paper.     2. Predict which shape will be the strongest and then test your prediction by seeing which one can support the most books.                      A cylinder is the strongest shape.