Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres. The bottle must be made entirely of plastic, it must have no sharp points and it ...

The problem with a lot of these water bottle rocket projects is that they leak where the bottle meets the launcher. In most cases this is a good thing as it’s almost impossible to build up ...

it receives the parachute and is then slipped over another bottle that makes up the body of the rocket. The rubber band wraps around the outside of the chassis, holding those plastic tongues in place.

Besides, you'll want people to see how your rocket ... inside the plastic tub rises. The physics that launches the Fizz Bang tub skywards is similar to what propels Water Bottle Rockets upwards.

When it comes to bottle caps, the information can be just as confusing. Keep reading to learn where to donate plastic bottle ...