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Science Fair Topic Ideas in Physics

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5 of 6

Balloon Rocket Science
Balloon Rocket Science

Balloon rockets are a fun way to demonstrate Newton's Third Law of Motion.

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Newton’s third law of motion can be demonstrated in many ways, but none of them are quite so fun or visually expressive as balloon rocket science. With a balloon, a straw, a piece of string and a couple of chairs, your child can blow her peers away by demonstrating action and reaction. 

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