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    Science Buddies
    https://www.sciencebuddies.org › stem-activities › popsicle-stick-catapult

    Build a Popsicle Stick Catapult | STEM Activity - Science Buddies

    • Catapults were mighty handy for pirates in the golden age of piracy (during the 17th century). And medieval knights used them centuries earlier for taking down massive castle walls. Even Greeks and Romans … See more

    Materials

    Popsicle sticks (8)
    Rubber bands (at least 5)
    Glue
    Plastic bottle cap to hold a cotton ball See more

    Science Buddies
    What Happened?

    Did you see your cotton ball fly higher and farther when you pushed you launching stick farther down? When you bend your stick, you load your launching stick up with energy. Wh… See more

    Science Buddies
    Digging Deeper

    A catapult works because energy can be converted from one type to another and transferred from one object to another. When you prepare the catapult to launch, you add en… See more

    Science Buddies
    For Further Exploration

    Test what happens if you move the stack of six sticks closer to the launching cup or in the other direction. This will change the position of the launching stick when the missile bec… See more

    Science Buddies
    How do you make a popsicle spoon catapult?
    Hot glue is fast to set and has a bit of flex to it. Build a better popsicle spoon catapult by changing the orientation of the spoon! Fires a mini marshmallow 15-20 feet. Stack 4 sticks, then glue the spoon in the center of the top stick. The bottom of the spoon should line up wth the edge of the stick. Glue another popsicle stick on top.
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