You can see the project and the game here. It is part of the Storm The castle catapult game. Note: Some people want to build this version of the popsicle stick catapult. Want to see a video of it in action: The Popsicle Stick Catapult firing off! (Quicktime MOV) This catapult is pretty strong and really fires a projectile so in order for the whole thing not to go flying I had to nail it down. I used a strong rubber band so this catapult actually fires a little projectile quite a long ways! Thirty feet in the air! And you can make adjustments to this and get it to fire further! It also shows you a fundamental concept of engineering - the strength of the triangle. It takes about thirty minutes and it uses 32 popsicle sticks, some masking tape, and a rubber band. This catapult project is an easy and fun project. My name is Will and if you have questionsĬontribute projects or ideas you can contact me How To Build A Catapult When you release the stick all that potential energy is released into energy in motion producing the projectile motion.Hi, Thanks for visiting my website. You can talk about stored energy or potential elastic energy as you pull back on the Popsicle stick, bending it. Gravity also does its part as it pulls the object back down to the ground. When you pull down the lever arm all that potential energy gets stored up! Release it and that potential energy gradually changes over to kinetic energy. Newton’s 3 Laws of Motion: An object at rest stays at rest until a force is applied, and an object will stay in motion until something creates an imbalance in the motion. You can also learn about projectile motion. What is there to explore that has to do with physics? Let’s start with energy including elastic potential energy. How about 6 or 10! What are the differences when tested? THE SCIENCE OF HOW TO MAKE A CATAPULT! You can also test out the number of popsicle sticks used in the stack to create the tension need to launch the catapult. ![]() What kinds of conclusions can they draw from the information gathered? Which item worked the best? Which item didn’t work well at all? Have your kids fire each material 10 times and record the distance each time. Why? Have fun setting up a catapult to test the theory! Can you design a different catapult using the same materials?Īdditionally, you can encourage older kids to record the data from measuring all the launches. Which item will go farther? I think xyz will go farther. Or you can build 2-3 different catapults and see which one works better or if one works better with different objects.Īlways start out asking a question to come up with a hypothesis. Adding a measuring tape encourages simple math concepts that my 2nd grader is just really starting to explore. You can easily set up an experiment by testing different weighted items to see which ones fly farther. Use sticky dots or another strong adhesive to attach a bottle cap to the popsicle stick. The V notches that you cut help to keep the rubber band in place.Ĭreate more leverage with your catapult by pushing the stack of popsicle sticks towards the notched ends connected by the rubber band. Lay the second notched stick on top of the stack and secure the two popsicle sticks together with a rubber band as shown below. Go ahead and push one of the notched sticks through the stack under the top stick of the stack.Īt this point flip your partially made popsicle stick catapult over so that the stick you just pushed in is on the bottom of the stack. Wind a rubber band tightly around each end of the stack. Take the remaining 8 craft sticks and stack them one on top of the other. Once you have made your notches in two of the sticks, set them aside! ![]() Use the photo below as a guide for where to make your notches. You will want to use a pair of scissors to make two v notches on either side of two jumbo craft or Popsicle sticks (in the same place on both sticks). STEP 3: Test and measure how far each item goes when flung from the catapult. Read more about the science behind the catapult and simple ways to create a catapult science experiment below! STEP 2: Hand out supplies to each individual or in small groups, and build a Popsicle stick catapult following the instructions below. ![]() Which object will fly the farthest? Why do you think one will fly farther than the other? ![]() HOW TO MAKE A CATAPULT WITH POPSICLE STICKS Firing Power (marshmallows, pompoms, pencil top erasers).
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