![]() orders over 125 HASSLE FREE RETURNS Exchanges, Replacements, Refunds No Questions Asked. This helps you aim the cotton ball forward. Grab this fun and easy-to-assemble wooden catapult kit and let your Scouts go to town making their own machine Find in Store FREE SHIPPING On all U.S. Pushing your six sticks the other direction creates a greater angle between the launching stick and the base. Cut the second 2 pieces of wood to lengths of 10.5 in. Cut the first 2 pieces of wood to lengths of 24.75 in. Cut the first 4 pieces of wood to lengths of 34 in. Cut the second steel rod into 3 pieces, measuring 3.5 in, 6.5 in and 7 in. This results in a cotton ball aimed more upward than forward. Preparation: Cut the first steel rod into 2 pieces, measuring 3 in and 2 in only. Moving the stack of six sticks closer to the launching cup makes the launching stick lie flatter. ![]() In the case of your catapult, the cotton ball probably flew higher and farther. Bending farther means more energy gets stored in the stick, and when you let go, all this stored energy is converted into energy of motion, so the cotton ball flies through the air at a higher speed. Maybe you felt you needed to exert more force or work harder to bend the stick farther. Pushing the stick down farther takes more effort from you. Layout the centerline of the triangle, from the top of the triangle straight down to the center of the base. For strength, orient the top of the triangle along the grain of the wood. Most of this energy transfers to the cotton ball, which shoots through the air. DIY catapult plans Step 1: Some Assembly Required Layout a triangle on Part B to shape the upright. When you let go, this energy is released and converted to energy of motion. ![]() View our wood catapult kit online today at Educational Innovations. These working miniature wooden mangonel kits will bring hands-on action to the classroom while teaching about the properties of physics. When you bend your stick, you load your launching stick up with energy. Shop for wooden catapult kits for your next physics lesson. You just need a few supplies like cardboard tubes, wooden spoon, elastic bands, pom poms. scrunched up balls of paper or other soft items for launching. a wooden spoon ( a plastic spoon will also work well) 4 elastic bands. Do you get similar results each time? Is what you observe what you expected? Can you explain why?ĭid you see your cotton ball fly higher and farther when you pushed you launching stick farther down? For this simple catapult you will need: 3 cardboard tubes.
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