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Balloon Trick

Balloon Trick

Today we did a science experiment for Science Week. We got balloons and a knitting needle for the experiment. We blew up the balloon until there was some dark balloon left at the bottom and at the top. Then we pushed the knitting needle through the bottom of the balloon first and then it came out through the top. The balloon did not burst because the bottom of the balloon was not stretched. We also blew up another balloon and pushed the knitting needle through the side. This time the balloon burst because the rubber on the side of the balloon was stretched.

By Ben and Anna (Rang I)

 

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