Water rockets are created from plastic bottles, made aerodynamic by nose cones and fins. The rocket is part filled with water, and air is pumped in with a foot pump.

Idaho State University's Physics Department students taught the kids a little about physics and showed them how to build their own water-powered rockets.

What most of us don't consider is how many other factors can and do affect a rocket's flight beyond just gravity. Something as seemingly insignificant as a small gust of wind could potentially ...

Decoration. Once your rocket is built, decorate it! Add glitter or a scary face, or keep it NASA-appropriate with a gleaming white paint job. The only necessary marking is a fill line for your water.

Genovega Water Bottle Model Rocket Launcher: $21.33 now $17.06 at Amazon Use water pressure to launch a plastic bottle into the air with this Genovega Water Bottle Model Rocket Launch set.

Water rockets are impressive, no doubt. But they're also not too hard to make so there's no time like the present to start building your own . You're not likely to get anywhere close with a water ...

The rocket, a 1.5-litre soft drink bottle, is hardly visible. What is seen is a steady rose-coloured stream of water, courtesy a potassium permanganate mix, to help the crowd track the missile’s ...

Grid fins are stowed on ascent and then deploy on reentry for "x-wing" style control. Each fin moves independently for pitch/yaw/roll. — Elon Musk (@elonmusk) November 22, 2014 ...

image: On Wednesday, 15th June the National Physical Laboratory ... made aerodynamic by nose cones and fins. The rocket is part filled with water, and air is pumped in with a foot pump.