Rocket is filled with water and compressed air and launched vertically.

1N22.20 • A+50+20

diagram for demo

Projectiles: Newton's Third Law (Demonstration Rockets.) Water Rocket: The Apparatus consists of a hollow plastic rocket. Water is poured into the rocket (using the funnel) and a small hand air pump is attached at the bottom with a sliding lock. When sufficient air has been compressed in the rocket, the pump is detachedwater is ejected at the stern and the rocket shoots to the ceiling. Launch rocket over sink.

Related Demos

1N22.30 Carbon dioxide propelled rocket flies across room on wire. 1N22.33 Carbon dioxide propelled rotational device.
A+50+0 Dropped and shot balls hit bench simultaneously. A+50+5 Water projector: Adjustable angle water jet in front of grid. A+50+10 The Hunter A+50+15 Reaction jet: "L" tube rotates as water flows through it. A+50+25 Carbon dioxide propelled rocket flies across room on wire. A+50+26 Carbon dioxide propelled rotational device. A+50+35 Ballistics car: Ball ejected from rolling car drops back in. A+50+6 Elastic band acts as slingshot A+50+27 Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. A+50+7 Water expelled through hose shows dependence on angle and cross sectional area