Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres.

For the most impressive bubbles, experiment with the volume of water ... have almost everything you need to build and fly a Water Bottle Rocket. Watch Yan's video activity guide and have a go.

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Eighth and ninth grade students worked in teams to design, build, and launch water bottle rockets, learning about propulsion and altitude calculation in the process. “Hopefully they're having a ...