boat launching- science shannon kelly think design enjoy
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Boat Launching-Science
Shannon Kelly
ThinkDesignEnjoy
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Designing We wanted...•2 bottles•4 balloons•Add more vinegar and baking soda than it called for•Tape everything together
We ended up with…•2 bottles•3 balloons•Same amount of vinegar and baking soda it called for•Taped everything together•Chop sticks on the sides
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The Process of Experimenting
When we first built our boat it could floatWe discovered that the balloons were lifting up the boatSo, to make it lay nicer we took some off
When we first built our boat it couldn’t move properlyWe discovered that the amount of baking soda and vinegar it called for didn’t workSo, we changed the amount by adding more
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Modifications Made
•We had to change some of the design•Had to place it in the boat differently•Had to change the jobs that were assigned•Added different materials to the boat
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Energy MapGravitational-the
vinegar falls out of the bottle
Elastic-the balloons that help the boat float are
stretchy
Sound-when the boat shoot across
the water
Chemical-we have to add baking soda
and vinegar.
Motion –when we have to pull back
the cap