Bridge Engineering In this challenge, you will design and build a model bridge with the highest strength to weight ratio. Students will read the PowerPoint lesson and answer questions on bridge engineering science and on designing a model bridge. I also included Powerpoint lessons on how to draw a full size drawing of a model bridge. You can modify or edit the lesson to meet your needs. All the worksheets, tests, answer keys, grading rubrics, and suggestions for teaching this unit are provided i