Thrust

Grades: K-3
Time: 15 minutes

Everything need force to make it go. If you leave a paper plane on the ground nothing will happen if the wind doesn't blow it. Try this experiment for yourself. 

What Do I Need: 

What Do I Do:

Slide section of straw through one end of string. Blow up balloon and carefully hold it closed with one hand. Have a friend tape the balloon to the straw. Holding the balloon at one end of the string with the opening of the balloon facing the closest end of the string. Have two friends hold the each end of the string. Let the balloon go and watch what happens.

 

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