Build Your Own Gravity Car


Choose from a spectacular, fulldome show in state-of-the-art Sudekum Planetarium; hands-on, interactive exhibits; or one of our award-winning programs like daily Science Live! demonstrations, 3D printing workshops, summer camps and more!

  800 Fort Negley Blvd., Nashville, TN 37203

 Open daily from 9 a.m. - 5 p.m. and until 9 p.m. every second Saturday of the month.
Closed on February 29, September 9-10, Thanksgiving Day, Christmas Eve, Christmas Day

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DIY Science

Rainy day blues? Summertime slump? Cabin fever?

Don’t worry… we’ve got you covered!

Adventure Science Center is proud to offer DIY Science lessons and experiments the whole family can enjoy! Each lesson provides instruction, a materials list, and ideas for activities to get hands-on with science, including sample questions to get those gears turning. Check back for more lessons!

GRAVITY CAR by Science Educators

What makes a car go fast? You might imagine a race car with a really powerful engine, but the cars made for our Tinkering Garage track are powered by the force of gravity. On Earth, gravity is constant (always the same). So you can’t increase the amount of gravity, but is there another way to make the car go faster?


  • Nails
  • Bottle Caps (or other "wheels")
  • Clothespins
  • Cardboard
  • Plastic Beads
  • Masking Tape
  • Additional Hardware (to add weight)
  • Ramp


Using your cardboard as the chassis (or base frame) of the car and your bottle caps or other material as the wheels, create your car. Build an axel system using your clothespins, nails and beads. Explore different ways you can use these materials together to create different shapes of cars. Attach your hardware and get ready to test your car!

Put your car on the ramp and see how fast it goes.

Further Exploration:

  • What happens if you attach extra weight?
  • Does it matter where on the car the weight is added (for example, toward the front, on the bottom)?
  • How can you get the car to travel farther?
  • Can you build a car with a different number of wheels? Compare different car setups to see what happens.
Posted by Molly Hornbuckle at 10:00 AM
800 Fort Negley Blvd. Nashville, TN 37203
Hours: 9 a.m. - 5 p.m.
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