![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXGzFcNW3VXDv674Aczo3pbNUAgXQw_JVp9Ppq5SjFesxfR8dHup2ENAKmQ3f5OesDgt0WL4UxaXSWJmSgUAe4s3siEyyzAHyFqIB1Wy5oZV2hN8Lm9E8-ZMQS0jCPwPnyBQXHx4dX5I8/s320/balloon_full.jpg)
One of the experiments was a balloon rocket, where we blew up a balloon and taped it to a straw. The straw was strung on a string, so when the mouth of the balloon was released, the balloon took off down the string. We had it set up from the kitchen, through the dining room, and into the living room, total about 10m. There was also a two-stage version, but that didn't work very well.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnnnKuYDAQCyyFeNOiHbGk8al-aSdERnHKgVj241pq8TBAK81zfy2Xn0QM0AQy5butssFFigWFTB1j7PvLug08Dt0khnUuw-ca-9CQQdxEyHxUwxVMESOdGJW6CpOu62LEKqhtG4r5dyQ/s320/balloon_empty.jpg)
Empty balloon in the living room.
That looks like so much fun!
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