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Description

Balloon Rockets
A simple science experiment to understand Newton’s third law - “Every action has a reaction”.

When you release the opening of the balloon, gas quickly escapes, equalising the pressure inside, with the air pressure outside of the balloon. The escaping air exerts a force on the balloon itself. The balloon pushes back in a manner described by Newton's Third Law of Motion

Resources

String OR fishing line
Balloons
Straws
Masking Tape
Bull clips - to hold end of balloon. Otherwise use hand

Instructions

1. Tie one end of the string to a chair, doorknob, or other support.
2. Put the other end of the string through the straw.
3. Pull the string tight and tie it to another support in the room.
4. Blow up the balloon (but don't tie it.)
5. Using tape, attach the balloon to the straw
6. Let go and watch the rocket fly!

Tags

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Badge Links

• Scientist - Rocket