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Cool News

Pre-Teens Build Hovercrafts and Catapults

7/17/2018

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On July 17th, Cool Science did a builders’ workshop for pre-teens. The kids had the chance to make balloon hovercrafts and learn about the engineering behind large-scale hovercrafts with their own smaller models. They also made marshmallow catapults, where they discovered the physics behind the ancient military weapon.
 
The hovercrafts were built from a single balloon, one CD, glue, and a PVC pipe. Tiny holes are poked in the tape covering the opening in the middle of the CD, and the PVC pipe attaches the balloon to the top of the CD so air slowly escapes out the bottom. This provides the CD with the ability to “glide” over flat surfaces.
 
The catapults are made from a wooden piece of 2x4, a couple wooden dowels, rubber bands, a paint stick, and of course a paper cup to hold the marshmallow ammunition. Not only were they fun to build, everyone had a blast playing with them. (Check out a video from our YouTube channel below)


​It was an epic showdown as the kids and adults launched marshmallows and piloted their hovercrafts in races!

-posted by Joshua
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  • Home
  • Who We Are
    • History & Mission
    • Staff & Board
  • What We Do
    • Cool Science Festival (Schedule) >
      • Cool Science Carnival Day
      • CS Cool Science Festival YouTube
      • Sponsors
      • Who We Are
      • Join the Festival >
        • Present on Virtual Carnival Day
        • Host a Special Event
        • Volunteer Your Group
        • Volunteer Yourself
        • Contact the Festival
      • Previous Festivals >
        • 2019
        • 2019 Carnival Day
        • 2018
        • 2018 Carnival Day
    • Outreach Programs Overview >
      • Demonstration Shows >
        • Demonstration Shows: CO Science Standards
      • Hands-on Programs >
        • Hands-on Labs: CO Science Standards
      • Science or STEM/STEAM Days & Nights, Science Busking
      • Day of Science
    • Big Cool Science Day at Colorado College
    • Kid's Mini Fruitcake Toss
    • Science on Tap
    • Calendar
  • Cool Stuff
    • Try Science At Home
    • Cool Science Livestream Lab RSVP
    • Teaching Resources
    • Cool News
    • Cool Science Jokes
  • How To Help
    • Volunteer
    • Donate
    • Corporate & Foundation Donors
  • Contact Us
    • General Contact Info
    • Request A Program