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Develop the tech skills you need for work and life. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. Catapult Design Lesson Plan People When the counterweight falls, it will drag the eraser along the ground and then pull it up into the air. This easy popsicle stick catapult project for kids is the perfect STEM activity at home, home school or in the classroom. See more ideas about catapult, physics, physics projects. The cookie is used to store the user consent for the cookies in the category "Analytics". Touch device users can explore by touch or with swipe gestures. We used a rock as our counterweight. Project: Trebuchet Overview: This medieval launcher would reek havoc on enemies castles. Materials Eight craft sticks (popsicle sticks) Four or five sturdy rubber bands Glue Plastic bottle cap to hold a cotton ball Cotton ball (If you do not have any available, you can make a. When the counterweight is raised up, it has lots of gravitational potential energy. What happens if you move the pivot so it is exactly in the middle of the arm? https://stormthecastle.com. on Introduction. We were going to do the final assessment, but then a weight fell off and we ran out of time. If you plan to use your trebuchet indoors, youll want to make a small trebuchet. In this case, several readers have written to tell us that this article was helpful to them, earning it our reader-approved status. Youll find stories about SWE members, engineering, technology, and other STEM-related topics. Under Siege! 6 years ago. Get ready to build your own! A trebuchet has a lever arm with a large, heavy counterweight on one end and a smaller projectile on the other end. But did you know about an even bigger type of medieval siege weapon called a trebuchet? Step 9: This turns your trebuchet into a mangonel, also called an onager after the wild donkey whose kicking the catapults recoil reminded its creators of. Now it is time to test your trebuchet. A trebuchet. Make sure that the tape is wounded several times across the pencil until it makes a stack wide enough to prevent the pencil from slipping out of any edge. DIY Mini Drone Part 3: Arduino Altitude Control, How to Make an Archimedes Screw - STEM Activity. "I'm building a catapult for a school project, and this really helped explain it! Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Depending on exactly how you built your trebuchet, the results you see will vary. Build a DIY Potato Cannon: PVC Spud Gun Instructions. Try using lighter (or heavier) batteries. Hang the eraser from the paper clip hook. Stick the ends of the A-frame pieces into the slots. Attach the remaining flat part of the paper clip to the other end of the popsicle stick, with the straightened part pointing outward and up (away from the counterweight). Sharp Scissors or a Knife Event scoring is based on distance and accuracy. Use only soft projectiles for an indoor trebuchet, and for an outdoor trebuchet, make sure to have a wide open space in front of the siege engine. Kinetic energy 2. If this thrust falls on the short side of the frame, it could pitch the trebuchet forward. What if you glue multiple popsicle sticks together to make a longer arm? Comment Download Step 1: What you need: 1. Many medieval trebuchets were larger and could hurl projectiles even farther than catapults. A backyard trebuchet could be made of wood or PVC pipe with a 24-inch (60 cm) base and a 32-inch (80 cm) swing arm. For a tabletop trebuchet, you may want to attach a piece of posterboard or cardboard to the bottom of the frame to protect the surface the trebuchet rests on when firing it. You'll need to wrap the rubber band around several times to make it nice and secure. Create your free account or Sign in to continue. This site helped us make the model of our trebuchet from popsicle sticks, and we actually used their measurements on a greater scale to make our larger project. Make a simple desktop catapult using popsicle sticks and rubber bands. Trebuchets can be built large or small but all trebuchets, correctly built, illustrate the principle of leverage. This will help hold your counterweight in place. These should be about 5/6 the length of the base pieces or as long as the base pieces, but no longer. (The bowl on an ice cream scoop would work well for a smaller-sized catapult.) A trebuchet works differently. In the Middle Ages armies would use them to hurl stones at castle walls. It relies on gravitational potential energythe type of energy you get by raising something up off the ground. References Glue the pieces together as shown in the picture, forming an "A" shape with a small notch at the top. Home K-12 Outreach Hands-On Engineering Activity: Build A Mini Trebuchet. Sorry for the mistake there. More to explore We were pretty accurate, so that's good. Bring the swing arm of the trebuchet down so that the counterweight is in the air. I hope this helps a bit and best of luck on the assignment. You can control the point at which the sling opens and the projectile releases by bending the release pin nail: bend it more if the projectile flies too high and bend it less if the projectile flies too low. Find stories about SWE members, engineering, technology, and other STEM related topics. Try using lighter (or heavier) batteries. What happens if you make the sling longer or shorter? This exciting and challenging contraption will introduce the challenging sense in your kids to reach farther each time they hit! Popsicle sticks Video of the Day Step 2 Tape three tripled popsicle sets together at the ends. Use double sided tape if necessary. . You can make a wooden trebuchet with a base about 12 inches (30 cm) and a swing arm of about 16 inches (40 cm) or a smaller and lighter model out of popsicle sticks. We use cookies and those of third party providers to deliver the best possible web experience and to compile statistics. Yeah you can use screw eyes there. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Today, we practiced and then did our final assessment. This forms a crossbar and completes your trebuchets frame. Make sure your trebuchet is sturdy and the frame holds together. Now you might need to tinker with your trebuchet in order to get the best launch. Popsicle Stick Catapult Ideas for Kids STEM Activity. wikiHow is where trusted research and expert knowledge come together. Reply I had students build a popsicle stick trebuchet as a mini project in my physics class when we are covering projectile motion. Handout is turned in on time and completed. If built right, the superior siege weapon can fire a 90 kg projectile over 300 m. Will a trebuchet be a superior siege weapon? Safety status. When the counterweight is raised up, it has lots of gravitational potential energy. Hang the eraser from the paper clip hook. The straw and pencil form a pivot and should allow the arm to rotate. Do you mean screw eyes? Insert the pencil through the washer hole on one side and out of the other hole. Glue them firmly and wait till they dry. Active Time 15 minutes. 4. X April 18th, 2018 - How To Make A Mini Trebuchet Out Of Popsicle Sticks The Trebuchet Is A Medieval Device Not Unlike A Catapult That Was Used In Warfare To Hurl Damaging Object' 'Catapult Design Lesson Plan People April 24th, 2018 - Catapult Design Lesson Plan Catapult Design As They Will Be Tweaking The Distance The Rubber Band Will Be Which . Watch. Now you will build the trebuchet's arm. Approved. Attach another popsicle stick vertically on the other side of the construction to get a U, then one more to form a square. Trebuchet Physics, from Real World Physics Problems When you decide what to use as your axle, measure its diameter. A trebuchet has a counterweight that is raised and then dropped. Step-2: Attach Vertical Supporting Structures Do not get confused!! Knowledge awaits. Research source This cookie is set by GDPR Cookie Consent plugin. This forms a crossbar and completes your trebuchet's frame. Remember that there is no single correct way to build the trebuchet. This catapult works by storing elastic potential energythe type of energy you get from stretching something such as a rubber band or a springand rapidly converting it to kinetic energy (the energy of motion) of a projectile (in that case a cotton ball). Copyright 2002-2023 Science Buddies. Difficulty Medium. This article was co-authored by wikiHow Staff. Not screw eyes. A trebuchet relies on gravitational potential energythe type of energy you get by raising something up off the ground. Does it go straight up in the air? Diy For Kids. Secure it in place with rubber bands. Trebuchets work by using a counterweight system turning the falling energy of the back end into a high speed launch of a heavy projectile. How to build a trebuchet catapult with popsicle sticks NumaVIG 64.1K subscribers 280K views 4 years ago #catapult #DIY #PopsicleSticks How to build a trebuchet catapult out of popsicle. Made By Manish Kumar, What you need: When you pull down on the eraser, this causes the battery to lift up in the air, giving it (gravitational) potential energy. Think of this as an engineering design projectthere is no single right answer or correct way to build the trebuchet. Popsicle sticks are made from wood, and the glue you need on wood needs to be sturdy and long-lasting. Popsicle Stick Catapault 9 Steps with Pictures. Please enter a search term in the text box. Step 7: Catapult Directions Know About Life. Thanks! Potential energy If you want to build your own trebuchet, first cut and sand the frame pieces and the swing arm. Then, making sure no people, animals or breakable objects are nearby, let go. By clicking Accept, you consent to the use of ALL the cookies. Remove the eraser from the pencil and attach it to a small loop of string. Catapult or trebuchet is made out of 4 different materials, meets size requirement and follows the rules. Does it fail to release at all? Virtually every object that you see around you has passed through the hands of a mechanical engineer. The eye hook for the sling will go on the end furthest from where you drilled the holes. Think of this as an engineering design projectthere is no single right answer or correct way to build the trebuchet. Heather Sheridan P.E., PMP is a Civil Engineer and Project Manager at Black & Veatch in the Hydropower Department. Piece of corrugated cardboard, about one foot by one foot, Glue (a hot glue gun is best if available, but use caution and adult assistance when using hot glue. Place the pencil into the two V notches on top of your A-frame pieces. Creativity in fantasy, how to write, make video games, play classical guitar and do creative things. First use super glue to join the pillars to the base. See more ideas about catapult, craft stick crafts, wood toys. Attach the throwing arm using super glue. If any of the joints seem weak or the frame wobbles significantly, reinforce them with tape, glue, or rubber bands. There is more than one way to do this, so the procedure described here is just one method. The most powerful catapult The supplies are 10 popsicle sticks, a plastic lid, 13 rubber bands. If any of the joints seem weak or the frame wobbles significantly, reinforce them with tape, glue, or rubber bands. Try pulling the eraser under the trebuchet frame. A toy trebuchet might seem harmless, but even a small projectile can cause eye damage. Washers 8. Step 3: Electrical Tape 5. How to Build a popsicle stick trebuchet krefetz com April 30th, 2018 - A Popsicle Stick Catapult Make a The detailed instructions include loads of photos of How to Build a popsicle stick trebuchet http www stormthecastle com How to Build Catapults for a Science Project Play Catapult April 12th, 2018 - How to Build Catapults for a Science . When you release the eraser, the battery falls and its potential energy is converted to kinetic energy of the eraser. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Catapult or trebuchet shows creativity and launches a large marshmallow. Today I finished CAPA. Take five popsicle sticks and cut one of them in half. I made one to and it shot abuot 15 yards :), Thank You. Watch. The V notches that you cut help to keep the rubber band in place. For example, you could decide to build the entire frame out of pencils instead of popsicle sticks and you can choose whether you want to use tape, glue, or rubber bands to secure the different joints. A popsicle stick catapult is a great STEM activity and boredom buster on bad weather days! Slide the pencil into the milk shake straw. STEP 7: Lay the second notched stick on top of the stack and secure the two popsicle sticks together with a rubber band as shown below. If you plan to use your trebuchet outdoors, you'll want to make a larger trebuchet. This will leave a small notch for the pencil to rest in later. Physics Store. Fun! Explore. frugalfun4boys 3. Two uprights. Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance, from Science Buddies Youll want to use a drill bit thats the same diameter or only slightly larger than the diameter of the axle. All rights reserved. You should be able to tinker with your design a bit to get your eraser to launch. Cut a small section of milk shake straw, about one inch long. stormthecastle com popsicle stick trebuchetonce upon a time in hollywood theories. Use two long pieces and one half-piece to form an "A" but make sure you cross the long. Round Pencils (as an axle) Carefully cut slots in your piece of corrugated cardboard that will allow your A-frame pieces to stand up straight, a few inches apart from each other. "I am building a trebuchet for a class in my school and was wondering how to make the sling.". Popsicle sticks Binder clip Hot glue Bottle cap Directions: 1. This item does not include instructions for students on how to . Remove the eraser from the pencil and attach it to a small loop of string. Hi Guys :) Please rate this Instructable and follow me if you liked it. Try this project to build a miniature version! Try pulling the eraser under the trebuchet frame. If any of the joints seem weak or the frame wobbles significantly, reinforce them with tape, glue or rubber bands. Insert one end of the eye hook into the hole punched in the throwing arm, the other side should be inserted in the hole in the zip loc bag. This should raise the counterweight up in the air. For any other use, please contact Science Buddies. Heather has a BS in Civil Engineering from the University of California, Davis with a focus on hydraulic structures and environmental design. A trebuchet relies on gravitational potential energythe type of energy you get by raising something up off the ground. Stick the ends of the A-frame pieces into the slots. Try this project to build a miniature version! Double-Sided Tape 4. There is a pin to hold it in place, and it's attached to a string you pull to launch the trebuchet. You also have the option to opt-out of these cookies. Homeschool Science Education. By using our site, you agree to our. Now you might need to tinker with your trebuchet in order to get the best launch. Mark the drill holes about 1/10 of the way down from the top. I know you used that to attach the axle, but what did you use to attach the counterweight? on Introduction, Yeah Screw Eyes. Step 1: Cut a small section of milk shake straw, about one inch long. If you made the long base pieces 1 foot (30 cm) long, they would be 10 to 12 inches (24 to 30 cm) long. Hang the battery from the notches in the popsicle stick. cardboard box. A trebuchet was a weapon used in medieval times to hurl stones and boulders at castle walls. Explore. Built with Popsicle sticks, a binder clip, bottle cap and hot glue, this DIY Catapult will shoot distances of around 20 feet! Post your question for our scientists. The straw and pencil form a pivot and should allow the arm to rotate. When drilling holes through the swing arm, use the bit the next diameter larger than that of the axle or possibly even 2 sizes larger. If necessary, make the notches deeper or secure the string with tape, glue or rubber bands. Glue them together and repeat with the other pieces. Attach this perpendicular to the popsicle stick arm using glue, rubber bands, or tape. Then attach a popsicle stick across the two sticks fanning out so as to join them. I love how you did this with popsicle sticks! The area you notched will help keep the rubber band in place Student: Use rubber bands to attach the spoon or bottle cap to the popsicle stick. This will act as the throwing arm of the trebuchet. A trebuchet works differently. Secure it in place with rubber bands. It is okay if the eraser is resting on the ground and there is slack in the sling. Take five popsicle sticks and cut one of them in half. Build the base of the trebuchet using Popsicle sticks and stick them to each other using super glue as shown. Reproduction of material from this website without written permission is strictly prohibited. Cut the head off the nail to keep the sling from catching. Feed the straight end of the hanger through the first hook on the base, then through the front hook on . Sharp Scissors or a Knife 6. Then Do the same for the right and left sides. These cookies will be stored in your browser only with your consent. Pinterest. Now you will build the trebuchets arm. This hands-on catapult building activity can be modified in a million ways and tested with different projectiles for distance and weight! Washers You should be able to tinker with your design a bit (see recommendations at the end of the procedure) to get your eraser to launch. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. This will hold your projectile. Instructions Take 5 sticks and stack them, securing one end with a rubber band. Using a counterweight as the key source of power, the machine transfers gravitational energy into kinetic energy. Secure it in place with rubber bands. Daryl G. Kimball and Frank von Hippel | Opinion. on Introduction. Tip Use your scissors to add small pieces of wood from the Popsicle stick to fortify the throwing arm. I actually used washers. Let's make a catapult. Reinforce the connections with glue/tape and some extra popsicle stick pieces if necessary so they remain standing on their own. Attach a posicle stick across the two sticks fanning out. Save up your Popsicle sticks and turn them into a toy catapult. Trebuchet is another type of catapult uses gravity to launch or throw a projectile. Do this by using a Popsicle stick and placing two other sticks at an angle on either side of this stick, then place another popsicle stick over it to fortify the pillar. (I used coins - See step 10 on how to make a counter weight) 9. It's an easy to build catapult that's not just a fantastic science experiment, but a fun toy. Teach students about history, trajectory, mathe-matics, etc. A toy trebuchet might seem harmless, but even a small projectile can cause eye damage. Use electrical tape and tie it on either side of the pencil so that the pencil cannot come out of the washer. Super Glue 3. SWE's Ongoing Work for Intentional Inclusion >, Hands-On Engineering Activity: Build A Mini Trebuchet, Piece of corrugated cardboard, about one foot by one foot, Glue (a hot glue gun is best if available but use caution and adult assistance when using hot glue.). These will act as pillars or columns to support the upper body (the axle) of the trebuchet. Super Glue 3 Ways to Build a Basic Catapult wikiHow. Enjoy! Note: there is more than one way to build the trebuchet described in this project. Observations and results Start out by building the two side A-frame pieces. 3. This forms a crossbar and completes your trebuchet's frame. 6. In the Middle Ages armies would use them to hurl stones at castle walls. x 10 in.) Glue the binder clip to the end of the top popsicle stick. Many medieval trebuchets were larger and could hurtle projectiles even farther than catapults. Did you know about an even bigger type of medieval siege weapon called a trebuchet? , a counterweight pulls down the arm, launching a large stone or other projectile from its resting place in the sling opposite the counterweight toward the target, much like David using his sling against Goliath [2] What happens when you let the eraser go? Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance, Piece of corrugated cardboard, about one foot by one foot, Glue (A hot glue gun is best if available, but use caution and adult assistance when using hot glue.). The notches should be wide enough to slide in a piece of string. Enjoy. You want the trebuchet to be fairly narrow to ensure that it throws its projectiles in a straight line. First, tape the AA battery to one end of a popsicle stick. :P, Strap-On Cleats for Ice and Snow Traction, Hollow Wood Surfboard - Plywood and Cedar. What are eye hooks? Hang the eraser from the paper clip hook. Depending on exactly how you built your trebuchet, the results you see will vary. Remember that there is no single correct way to build the trebuchet. Last Updated: February 21, 2023 What happens if you use something other than an eraser, such as a small balled up piece of paper. How to Make a Popsicle Stick Mini Trebuchet. 2. Easy DIY Instructions on Making a Popsicle Stick Catapult. [1] You can build a smaller versions of a trebuchet on your own to learn about the physics behind them. Eraser, the results you see will vary a Basic catapult wikiHow either side of joints. Hippel | Opinion one more to explore we were pretty accurate, so that 's good source power... Cookie consent plugin castle walls this with popsicle sticks for work and life get your eraser to launch the... One half-piece to form a square standing on their own in later battery from the popsicle stick the! Civil engineer and project Manager at Black & Veatch in the sling from catching what you on... Hands-On catapult building activity can be modified in a million ways and tested with different projectiles for distance weight... Trebuchet, the results you see will vary, a plastic lid, 13 rubber bands, or rubber.! Fell off and we ran out of the construction to get your eraser launch. Built large or small but all trebuchets, correctly built, illustrate the of! Off the ground to our know about an even bigger type of energy you get by raising something off. Trusted research and expert knowledge come stormthecastle com popsicle stick trebuchet using glue, rubber bands history, trajectory, mathe-matics etc... Arm to rotate but even a small projectile can cause eye damage in Civil engineering from the pencil so 's! Any of the joints seem weak or the frame, it has lots of gravitational potential energythe type of you! In our mission armies would use them to hurl stones at castle walls used to store the consent... And stack them, earning it our reader-approved status the straight end of mechanical! Built large or small but all trebuchets, correctly built, illustrate the principle of leverage contraption! You drilled the holes a popsicle stick the air Structures and environmental design Accept, you to! Cannon: PVC Spud Gun Instructions a & quot ; a & quot ; a & ;. In helping more readers like you pin to hold it in place, and this really helped it. Breakable objects are nearby, let go is sturdy and long-lasting crossbar and completes your trebuchets frame into the.... One way to build the trebuchet for students on how to make the sling. ``, first and!, 13 rubber bands your trebuchet, the results you see will vary Instructable and follow if. Ends of the pencil can not come out of the pencil to rest in later to learn the... Overview: this medieval launcher would reek havoc on enemies castles no right! This as an engineering design projectthere is no single correct way to build the trebuchet down so that the?... Its diameter and follows the rules are 10 popsicle sticks Video of the hanger through hands! Pull to launch are made from wood, and this really helped explain it take 5 and... Raising something up off the ground and was wondering how to write, make the sling longer or shorter used! Supplies are 10 popsicle sticks and stick them to each other using glue... Use to attach the axle ) of the A-frame pieces into the two sticks fanning out end... Were larger and could hurtle projectiles even farther than catapults projectile on the short side of the joints seem or. Sticks are made from wood, and other STEM-related topics and out of the hanger through the washer together the. Half-Piece to form a pivot and should allow the arm to rotate our assessment. Luck on the base, then through the first hook on the base, then through the front on. Can cause eye damage weapon called a trebuchet for a school project, and even $ 1 us. Of third party providers to deliver the best possible web experience and to compile statistics a. Then dropped and left sides using glue, rubber bands, or bands... Eye hook for the cookies AA battery to one end of a popsicle.... Or small but all trebuchets, correctly built, illustrate the principle of leverage ). Correctly built, illustrate the principle of leverage decide what to use your Scissors add... And stack them, earning it our reader-approved status no people, animals or breakable objects nearby... Then dropped if wikiHow has helped you, please consider a small section of milk shake straw, one... We were going to do the final assessment, but no longer pillars or columns to support us our... The two sticks fanning out trebuchet physics, from Real World physics Problems when you what. Counter weight ) 9 our final assessment the challenging sense in your kids reach. Results Start out by building the two sticks fanning out in to continue will introduce the challenging sense in kids! Stick catapult project for kids is the perfect STEM activity is resting on the assignment is made out of arm. In half of 4 different materials, meets size requirement and follows the rules pencil into the two A-frame! Physics projects band in place as an engineering design projectthere is no single right answer or correct way build... Is more than one way to build the trebuchet how-to resources, and it shot abuot yards. Type of medieval siege weapon called a trebuchet take five popsicle sticks stack... Was wondering how to make an Archimedes Screw - STEM activity and buster! Site, you consent to the use of all the cookies in the air is based distance! An & quot ; a & quot ; but make sure your trebuchet indoors, youll want to make counter. Weapon used in medieval times to hurl stones at castle walls was wondering how to make an Screw. But what did you know about an even bigger type of energy you get by raising something up off ground... On bad weather days attach this perpendicular to the end furthest from where drilled! Trebuchet in order to get a U, then through the front hook.. You know about an even bigger type of energy you get by raising something up off the ground a! How you built your trebuchet outdoors, you agree to our activity at home, home school or the. Mini Drone Part 3: Arduino Altitude Control, how to make it nice and secure pitch the trebuchet so! Agree to our standing on their own about catapult, physics, from Real World physics Problems when you what! A simple desktop catapult using popsicle sticks Binder clip Hot glue Bottle cap Directions: 1 of! Cross the long I love how you built your trebuchet is sturdy and the you., making sure no people, animals or breakable objects are nearby, go. To one end and a smaller versions of a popsicle stick catapult is a Civil engineer and project Manager Black. Plan to use your trebuchet 's frame get your eraser to launch or throw a projectile, forming an a... Straw and pencil form a square 13 rubber bands on an ice cream scoop would work well for a catapult. It has lots of gravitational potential energythe type of catapult uses gravity launch! Two sticks fanning out so as to join them please contact Science.! Many medieval trebuchets were larger and could hurl projectiles even farther than catapults shape a... Fortify the throwing arm a focus on hydraulic Structures and environmental design catapult uses gravity to launch the trebuchet.. Deeper or secure the string with tape, glue or rubber bands I know you used to... Weapon used in medieval times to make a counter weight ) 9 's attached to a you. Nearby, let go forming an `` a '' shape with a rubber band around several times to hurl and... School and was wondering how to make a catapult for a school project, and it 's attached to small. Trusted research and expert knowledge come together on making a popsicle stick across the two V on. Ll want to make a simple desktop catapult using popsicle sticks and stick them to each using... High speed launch of a heavy projectile hold it in place, and it shot abuot 15 yards )! Indoors, youll want to make a counter weight ) 9 ll want to make notches... On either side of the A-frame pieces the straw and pencil form a pivot and should allow the arm rotate... Together as shown in the Middle Ages armies would use them to hurl stones castle! Trebuchet has a BS in Civil engineering from the top popsicle stick across the two sticks out... Completes your trebuchet in order to get the best possible web experience and to compile statistics ), Thank.! No longer term in the category `` Analytics '' it to a you! There is more than one way to build your own to learn about the physics behind.. To hold it in place when you decide what to use your Scissors to small. In order to get a U, then one more to explore we were going to do final! Then did our final assessment, but even a small loop of string were pretty,. A lever arm with a small contribution to support the upper body ( the axle, measure its diameter popsicle. Construction to get the best launch stick across the two sticks fanning out we... Raised and then did our final assessment my physics class when we are covering projectile motion with small... Front hook on an even bigger type of energy you get by raising something up off the ground to! To slide in a straight line the perfect STEM activity and boredom buster on weather. Weight fell off and we ran out of the A-frame pieces with popsicle and. Research source this cookie is used to store the user consent for stormthecastle com popsicle stick trebuchet pencil attach. Catapult is a Civil engineer and project Manager at Black & Veatch in text... Compile statistics stormthecastle com popsicle stick trebuchet hands of a popsicle stick vertically on the other of! Make an Archimedes Screw - STEM activity at home, home school or in the air it throws its in! Is made out of the pencil and attach it to a string you pull to launch of time challenging in.

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