![]() ![]() This is especially helpful if you are working with more complicated shapes. You can also use tracing paper or wax paper to create templates for your design. This will help you to plan the construction of your bridge and make sure that all of your measurements are accurate. Once you've decided on the kind of bridge you want to build, it's time to start sketching it out on paper. These easy-to-follow instructions can be adapted to suit any toothpick bridges physics class plan or activity schedule. Toothpick bridge design step-by-step instructions Miniature marshmallows work best for complicated designs like toothpick bridges.įind out more about building with marshmallows and toothpicks here. Marshmallows can be pushed onto the ends of toothpicks and used to connect them together. ![]() If you want to add a fun element to this activity, you can r eplace the glue or tape with marshmallows. Weights (to test the strength of your bridge) Glue or masking tape/painter's tape (school glue dries quickly and tends to work well) The great thing about toothpick bridges is that you don't need many materials to get started. Photo: The Science Wall What you need to build a toothpick bridge Set your kids the challenge of seeing who can build the strongest bridges or arches, and put it to the test with some carefully-planned experiments! You can even add a competitive element if working with kids in a group or classroom setting. They can do this by placing weights on top of the bridges or by suspending weights from the main structure of the bridge. Once kids have finished their bridges, they can test their strength by adding weights. Very strong and sturdy (when done correctly!)īecause they can bear a surprising amount of weight, making homemade toothpick bridges is a great way for kids to learn about forces and test their physics skills. ![]() There are a number of reasons why building bridges out of toothpicks is such a fantastic activity for kids.Ī great way to learn about engineering concepts Photo: Serena F Mom of 3 Why build a bridge out of toothpicks? ![]()
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