iKatbag shows us a simple way to build a catapult with recycled materials and materials you have around your home. 64 Share 7.2K views 2 years ago This video shows how I made a simple string pull trigger mechanism for my egg catapult with a bolt and some hooks. The following Science Buddies activity has all the information you need to do this science activity with your students as a fun classroom activity or at home: Build a Popsicle Stick Catapult. Master how to build a catapult with paper towel tubes, some yarn, pom poms, tape, a spoon, and rubber bands. What controls how far the object flies? Can you hit your target? What is the best combination of catapult design and launch angle to make the cotton ball fly farthest? As they use the catapult to launch lightweight cotton balls, students are encouraged to explore the variables that come into play and to explore the physics of projectiles. The catapult is easy to assemble, but this simple catapult helps students see how energy can be stored, transferred, and converted. Create your own mini-version of a catapult and shoot things far into the distance. In this week's family-friendly STEM activity, students build and experiment with a very simple catapult made from wooden sticks and rubber bands. Catapults were used to tear down castle walls in the middle ages. Once the glue dries, remove the masking tape. Place glue in the holes and then insert the 1/4-inch-diameter, 2-inch-long dowels. Experimenting with a catapult and launching objects at a target can be fun for families or classes, and a catapult activity invites discussion of both the physics and math at work in the way a catapult operates and in how accurate one's aim may be. Drill six 1/4-inch holes through the axle. Make a stack of 7 popsicle sticks and use rubber bands to tie them together on both ends. Catapults have been used throughout history as a way to launch something from point A to point B, sometimes over castle walls and sometimes into things. Design 1: Catapult with Popsicle Sticks, Rubber Bands, and Spoon Materials: Popsicle sticks (or craft sticks) Rubber bands Plastic Spoon Styrofoam Balls (or Pom Poms or marshmallows or anything that fits in the spoon) Directions: 1.
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