Wednesday, November 9, 2011

Balloon rockets and fizzy rockets

We wanted to launch a balloon rocket.  First of all we tried to get our balloon to fly straight to teacher.
This was impossible, though we tried our best.
Some of us thought of other good ideas: putting a straw inside the balloon, tying the balloon to string,  and tying string around the balloon.

  These were good ideas, but they didn't help us fly the balloon in a straight line.  Finally, with teacher's help, we taped the balloon to a straw with thread going through it.  This worked really well.  We had to figure out in which direction the balloon would fly, and whether we could get the balloon to fly uphill.
We did it!!! Another rocket success story!!

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