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Engineering ยท โฑ 60 min๐Ÿ‘ 0 views

Balloon Cars

Learn how cars work, what they're made of, and the fastest ones on Earth โ€” then design and race your very own balloon-powered car.

The big idea

Learning about how cars work โ€” from their main components to what makes some of them the fastest machines on the planet โ€” and then using that knowledge to build a car powered by nothing but a balloon.

Slideshow
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Walk through it
  1. 1

    1. Definition of a car

    What actually counts as a car? We start with the basics before diving into the parts.

  2. 2

    2. Main components of a car

    Wheels, axles, chassis, and a source of power โ€” the essentials every car needs.

  3. 3

    3. Fastest cars

    A quick tour of the fastest cars ever built and what makes them so quick (and safe).

  4. 4

    4. Car balloon designs

    Different ways to turn a balloon into a tiny engine that pushes your car forward.

  5. 5

    5. Competition

    Race your balloon cars against each other โ€” whose design goes the farthest?

Time for the activity
Hands-on lab

Build & Race a Balloon Car

You'll need

  • 10 popsicle sticks
  • 1 small piece of cardboard
  • 2 skewers
  • 2 straws
  • 4 bottle caps
  • 5 rubber bands
  • 1 balloon

Steps

  1. 1Learn what cars are and their main components.
  2. 2Explore the fastest cars and how safety plays a role.
  3. 3Design and build your balloon car using the materials.
  4. 4Test out your cars and race them!
๐Ÿ’ญ Wonder question

What's your favorite car?

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