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Experiment: The Force of Thrust

Procedure Card


elongated balloon
soda straw
three meters of fishing line, secured at one end

Experiment Set Up

* Secure one end of the fishing line to a wall or sturdy table leg, etc.

* Tape the straw length-wise to the elongated balloon.

* Inflate the balloon, but do not tie it off. Pinch the mouth closed.

* Thread the unsecured end of the fishing line through the straw so that
the mouth of the balloon is not pointed toward the secured end.

Experiment Procedure

1. Pull the fishing line tight and release the mouth of the balloon.

2. Observe and record.



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