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Description

Make a vehicle and see how far it can travel
With a balloon racer, the balloon pushes air out backwards, and the car and the balloon get pushed forwards. This is an example of a general physics principle known as Newton’s Third Law which says that if one object exerts a force on a second object, then the second object exerts the same size, and kind, of force on the first object, but in the opposite direction.

Resources

 A balloon
 Some scrap cardboard
 Wooden kebab skewers
 one bendy drinking straw
 2 other straws
 Sellotape
 4 plastic milk bottle lids
 Blu-tac/plasticine
 Scissors

Instructions

Download Sheet or visit https://www.rigb.org/families/experimental/balloon-car-racers

Tags

• balloon
• balloon cars
• engineering
• science
• science experiments
• Science Investigator
• science week
• vehicle
• wind speed

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