rocket hacking

We launched a model rocket this last weekend. It was a blast! (sorry, I couldn’t resist) The kids really enjoyed watching me put together the rocket, and I encouraged them to decorate the rocket as they wished. I tried to explain the basic chemistry, but they lost interest quickly. So I just focused them on how cool it would be when the rocket took off into the sky, and how the parachute would open and allow it to float down safely. The funny thing is that the ignitor didn’t work. And this is where it got really creative — I needed to find a spark to ignite the engine. But by the time I realized that the store-bought battery-powered ignitor wouldn’t work, I had a yardful of kids waiting for the model rocket to take off. A dozen kids...

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