Pop bottle rocket

Alesa and I made a pop bottle rocket out of a pop
bottle, paper, cardboard, and water. Our rocket
flew only 1.937 seconds. One of our fins fell off .
We put water in the rocket because we had to
even out the weight of the card board. The secreat
to make it go hight is to put weight in your head cone .
It was pretty fun making our rocket and also launching it
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