Build a Bridge
Bridge Challenge Hands-On Activity Handout
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Now that you've been exploring how materials, shapes, and forces affect bridges, it's time to put your ideas together in a bridge you design and build. Think BIG!

Your Challenge:
Design and build a bridge that spans a distance of 45 cm (about 1.5 feet), is made of any or all of these materials, and can support the weight of a slowly rolling baseball:

• drinking straws
• paper clips
• tape
• string or yarn