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Defying gravity with bottle rockets

In maple class we asked the question: How do you build a rocket?

We researched rockets and watched rocket launches and then designed and made our own bottle rockets.

We filled the bottle with a little water and then used a pump to increase the air pressure then…..whoosh!!!!

We learnt that if we want to launch a rocket we need to beat gravity. Gravity pulls things down and we needed the air pressure and the water jet to push the rocket up.

We then drew a diagram of our test and labeled it.