STEP 4: Test how strong your bridge is by adding pennies onto the bridge until it collapses. STEP 3: Place the paper across the books like a bridge. STEP 2: Fold the papers into different paper bridge designs. His bridge weighs a whopping 245 pounds and can carry 111.5 kilograms. Griffin Herr, a senior, recently set a new nine-year record for the most sturdy bridge built with square toothpicks and Super Glue. The kids had to build a bridge out of toothpicks and then attach a weight and keep adding more weight u. STEP 1: Place several books about 6 inches apart. Toothpick bridges are a fantastic way to pass the time and are extremely strong. Your instructor will provide more details on how the bridge will be tested. Carve a negative form for the bridge into the foam and coat it with vaseline (as a mold release agent). A science class project at Princeton Friends School. Development- 1) Show Bridge Powerpoint presentation which outlines the instructions and guidelines. Masses can be used to test the structure, or a hooked bucket can be attached to the bridge where sand will be added to increase the weight. Ask them to brainstorm ways to make the structure stronger. Masses will be used to test the strength of your bridge. Building the bridge is equal parts physics lesson and problem-solving. Glue will be used (wood glue or latex glue) to hold the bridge together.Īdditionally, your instructor may provide you string, masking tape and other materials to aid in your construction.īridge limits: length 60cm, width 15cm, and height 15cmīridge must not extend more than 10 cm onto the supporting surface. Toothpick bridges are craft projects common in many science classes and science fairs. The bridge must be constructed from standard, round or flat, wooden toothpicks. BUILD A STRONG PAPER BRIDGE While you are at it, check out these other fun paper STEM challenges SUPPLIES: Books Paper Pennies (coins) INSTRUCTIONS: STEP 1: Place several books about 6 inches apart. Perform multiple tests and improve your design. Become an engineer and design your bridge before you start building it. ![]() Design and build a wooden toothpick bridge that will span 50 cm and support increasing weights. Explore these and other questions while working together to build your own bridge out of toothpicks and mini marshmallows Challenge yourselves to make the tallest, longest, widest, or strongest bridge.
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