Bridges

__ Problem __ Which Popsicle sticks Bridge Design is stronger and can hold more wei bridges. We had to follow the directions. We used popsicle Sticks and hot glue, and after words we went out and tested them. It turned out that mine had held the most weight. I was wondering if it would do it again and why. We also got fore extra sticks to put anywhere we wanted. __ Background Information __ · A bridge is a structure built to span a valley, road, water or other physical obstacle, for the purpose of providing passage over water · There are six main types of bridges: beam bridges, cables-stayed bridges and truss bridges. · There are tension and compression on bridges. · I predict that the bridge with the six extra sticks will hold more than the one without the six extra sticks. Paper Popsicle sticks Hot glue gun Weights Dog leash Something to put the bridges on 1. Gather all materials. 2. Make the two different bridge designs. 3. Test the two different types of bridge designs. 4. Record the results and how much they hold and the noise they made before they broke. 5. Clean the mess up. Which bridge designs is better. How much weight each bridge can hold. I will make the two bridges out of the same materials, same glue and same day. Sept.3=45 Sept.4=45 Sept.14=45 Sept.15=45 Oct.28=45 Oct.29=45 Oct.1=45 Oct.2=45 I
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