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.

Here, when the pressure inside the tub is enough to ... the Fizz Bang tub skywards is similar to what propels Water Bottle Rockets upwards. Yan has made an activity guide to show you how to ...