China bridge collapse caught on camera - no comment

Your students have probably walked or ridden over a bridge at some point in their lives. In this engineering activity they will design and make bridges out of folded pieces of paper, and test how much weight they can hold with pennies. How does the shape of a bridge affect its strength? Let your students explore and find out with this lesson! This lesson can be expanded to a second lesson looking at how the material a bridge is made out of can change its strength; see second lesson for details. Read more